APA aipamena

National Council for the Social Studies. Social education. Naitonal Council for the Social Studies.

Chicago Style aipamena

National Council for the Social Studies. Social Education. Washington: Naitonal Council for the Social Studies.

MLA aipamena

National Council for the Social Studies. Social Education. Naitonal Council for the Social Studies.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.