APA aipamena

GROLIER. (1987). Land and peoples 6. Grolier.

Chicago Style aipamena

GROLIER. Land and Peoples 6. Dandury: Grolier, 1987.

MLA aipamena

GROLIER. Land and Peoples 6. Grolier, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.