APA aipamena

Semper, I. J. (1939). The battle of the books. National Organization for Decent Literature.

Chicago Style aipamena

Semper, Isidore Joseph. The Battle of the Books. Dubuque, Iowa: National Organization for Decent Literature, 1939.

MLA aipamena

Semper, Isidore Joseph. The Battle of the Books. National Organization for Decent Literature, 1939.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.