APA (7th ed.) Zitazioa
(1979). Missions trends No. 4: Liberation theologies. New York.
Chicago Style (17th ed.) Zitazioa
Missions Trends No. 4: Liberation Theologies. Paulist press: New York, 1979.
MLA (9th ed.) Zitazioa
Missions Trends No. 4: Liberation Theologies. New York, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.