APA (7th ed.) Zitazioa

Poland. Georgialina. University of South Carolina Press.

Chicago Style (17th ed.) Zitazioa

Poland. Georgialina. University of South Carolina Press.

MLA (9th ed.) Zitazioa

Poland. Georgialina. University of South Carolina Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.