Coat-of-Arms. Retrieved March 29, 2004 from http://www.oncourseworkshop.com/Awareness004.htm Soloman, Lloyd.
Extrait le 10 mars 2004 du site http://www.education.gov.yk.ca/pdf/teacher_resource_book_03-04-final_2.pdf (en anglais) Leduc, A. (2000).