APA aipamena

Unesco. (1975). Teacher's study guide on the biology of human populations. Unesco Press.

Chicago Style aipamena

Unesco. Teacher's Study Guide on the Biology of Human Populations. Paris: Unesco Press, 1975.

MLA aipamena

Unesco. Teacher's Study Guide on the Biology of Human Populations. Unesco Press, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.