New Brunswick Department of Education. (2012). Social studies grade 4 curriculum - exploration: Implementation September 2010 (Updated August, 2012.).
Chicago-Zitierstil (17. Ausg.)New Brunswick Department of Education. Social Studies Grade 4 Curriculum - Exploration: Implementation September 2010. Updated August, 2012. [S.l.], 2012.
MLA-Zitierstil (9. Ausg.)New Brunswick Department of Education. Social Studies Grade 4 Curriculum - Exploration: Implementation September 2010. Updated August, 2012. 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.