APA (7th ed.) Zitazioa

Collier. The Folded Heart. Wesleyan University Press.

Chicago Style (17th ed.) Zitazioa

Collier. The Folded Heart. Wesleyan University Press.

MLA (9th ed.) Zitazioa

Collier. The Folded Heart. Wesleyan University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.