APA (7th ed.) Zitazioa

Roberts. To Be Cared For. University of California Press.

Chicago Style (17th ed.) Zitazioa

Roberts. To Be Cared For. University of California Press.

MLA (9th ed.) Zitazioa

Roberts. To Be Cared For. University of California Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.