APA aipamena

Encyclopedia, G. U. (2004). Grolier Universal Encyclopedia Volume 19. Grolier Incorporated.

Chicago Style aipamena

Encyclopedia, Grolier Universal. Grolier Universal Encyclopedia Volume 19. Grolier Incorporated, 2004.

MLA aipamena

Encyclopedia, Grolier Universal. Grolier Universal Encyclopedia Volume 19. Grolier Incorporated, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.