APA (7th ed.) Zitazioa
Cahill, K. M. (1976). Health and development. Orbis Books.
Chicago Style (17th ed.) Zitazioa
Cahill, Kevin M. Health and Development. Maryknoll: Orbis Books, 1976.
MLA (9th ed.) Zitazioa
Cahill, Kevin M. Health and Development. Orbis Books, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.