APA aipamena

Robinson, J. H. (1929). Civilization. Encyclopaedia britannica.

Chicago Style aipamena

Robinson, James Harvey. Civilization. London: Encyclopaedia britannica, 1929.

MLA aipamena

Robinson, James Harvey. Civilization. Encyclopaedia britannica, 1929.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.