http://www.angelburgas.cat/catala/index.html
http://www.angelburgas.cat/2_CAST.html
http://ca.wikipedia.org/wiki/%C3%80ngel_Burgas
https://www.todostuslibros.com/autor/angel-burgas
https://www.youtube.com/watch?v=UoOcuns3DE4
https://www.youtube.com/watch?v=6fT2wduhg-Q