APA (7th ed.) Zitazioa
Lee, D. Freedom and culture. Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Lee, Dorothy. Freedom and Culture. Englewood cliffs: Prentice-Hall.
MLA (9th ed.) Zitazioa
Lee, Dorothy. Freedom and Culture. Prentice-Hall.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.