APA aipamena

World Book. (1996). World Book Encyclopedia - Q - R (Vol.16). World Book International.

Chicago Style aipamena

World Book. World Book Encyclopedia - Q - R (Vol.16). London: World Book International, 1996.

MLA aipamena

World Book. World Book Encyclopedia - Q - R (Vol.16). World Book International, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.