Karklins, K. (1992). Trade ornament usage among the native peoples of Canada: A source book. National Historic Sites, Parks Service, Environment Canada : available from Canada Communication Group--Publishing, Supply and Services Canada.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Karklins, Karlis. Trade Ornament Usage Among the Native Peoples of Canada: A Source Book. Ottawa, Ont.: National Historic Sites, Parks Service, Environment Canada : available from Canada Communication Group--Publishing, Supply and Services Canada, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Karklins, Karlis. Trade Ornament Usage Among the Native Peoples of Canada: A Source Book. National Historic Sites, Parks Service, Environment Canada : available from Canada Communication Group--Publishing, Supply and Services Canada, 1992.