Alberta Education. (2007). Social studies: Kindergarten to grade 12 ; [grade 9: Canada - opportunities and challenges] ; [program of studies].
Chicago-Zitierstil (17. Ausg.)Alberta Education. Social Studies: Kindergarten to Grade 12 ; [grade 9: Canada - Opportunities and Challenges] ; [program of Studies]. [S.l.], 2007.
MLA-Zitierstil (9. Ausg.)Alberta Education. Social Studies: Kindergarten to Grade 12 ; [grade 9: Canada - Opportunities and Challenges] ; [program of Studies]. 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.