Borgen, Robert, and Marian Ury. “Readable Japanese Mythology: Selections from Nihon Shoki and Kojiki.” The Journal of the Association of Teachers of Japanese, vol. 24, no. 1, 1990, pp. 61–97. JSTOR, JSTOR, www.jstor.org/stable/489230.
Bowring, Richard J. The Religious Traditions of Japan, 500-1600. Cambridge University Press, Cambridge, UK;New York;, 2005.
Durrant, Stephen W., Wai-yee Li, and David Schaberg. Zuo Traditions: Zuozhuan : Commentary on the "Spring and Autumn Annals". University of Washington Press, Seattle, 2016.
Egan, Ronald C. “The Journal of Asian Studies.” The Journal of Asian Studies, vol. 49, no. 1, 1990, pp. 144–145. JSTOR, JSTOR, www.jstor.org/stable/2058471.
Ellwood, Robert S., and Richard B. Pilgrim. Japanese Religion: A Cultural Perspective. Prentice-Hall, Englewood Cliffs, N.J, 1985.
Formanek, Susanne, and William R. LaFleur. Practicing the Afterlife: Perspectives from Japan. vol. 713. Bd.;Nr. 42;Bd. 713.;, Verlag der Österreichischen Akademie der Wissenschaften, Wien, 2004.
Kanji, Research Group, University of Tokyo,. Essential Japanese Kanji Volume 1 : (JLPT Level N5) Learn the Essential Kanji Characters Needed for Everyday Interactions in Japan, Tuttle Publishing, 2015. ProQuest Ebook Central, http://ebookcentral.proquest.com/lib/pitt-ebooks/detail.action?docID=2035955.
"Jigoku." Britannica Academic, Encyclopædia Britannica, 11 Aug. 2018. academic.eb.com/levels/collegiate/article/Jigoku/43633.
Stone, Jacqueline I., and Mariko N. Walter. Death and the Afterlife in Japanese Buddhism. University of Hawaiʻi Press, Honolulu, 2008.
Wakabayashi, Haruko. “Officials of the Afterworld: Ono No Takamura and the Ten Kings of Hell in the Chikurinji Engi Illustrated Scrolls.” Japanese Journal of Religious Studies, vol. 36, no. 2, 2009, pp. 319–349. JSTOR, JSTOR, www.jstor.org/stable/40660971.
http://afe.easia.columbia.edu/main_pop/ps/ps_china.htm
References of images:
Main page background picture: http://legendsofthemultiuniverse.wikia.com/wiki/File:Yomi_no_Kuni_World_of_Darkness.jpg
Introduction background picture: http://18diyu.cn/?p=622
Izanami and Izanagi picture: https://www.japanpowered.com/folklore-and-urban-legends/creation-of-japan-kojiki
http://www.japanesemythology.jp/yomi-no-kuni/
https://www.ancient.eu/Izanami_and_Izanagi/
Map of Yomotsu Hirasaka: https://www.navitime.co.jp/maps/poi?code=02025-731810
Juedijianmu picture/image: https://sites.google.com/site/hkdomini/c021
http://mythology.wikia.com/wiki/Izanagi