APA (7th ed.) Zitazioa

Hefley, M. (1980). God called: A family answered. Cross Roads Books.

Chicago Style (17th ed.) Zitazioa

Hefley, Marti. God Called: A Family Answered. Atlanta: Cross Roads Books, 1980.

MLA (9th ed.) Zitazioa

Hefley, Marti. God Called: A Family Answered. Cross Roads Books, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.