http://www.wisegeek.org/what-is-a-traditional-economy.htm
www.economywatch.com/economy-articles/traditional-economy.html
www.investopedia.com/terms/m/marketeconomy.asp
www.investorwords.com/2971/market_economy.html
www.everyculture.com/multi/Ha-La/Inuit.html
www.snowwowl.com/peopleinuit5.html