APA (7th ed.) Zitazioa
Küng, A. (1977). Bruce Olson: Missionary or colonizer? Christian Herald Books.
Chicago Style (17th ed.) Zitazioa
Küng, Andres. Bruce Olson: Missionary or Colonizer? Chappaqua, N.Y.: Christian Herald Books, 1977.
MLA (9th ed.) Zitazioa
Küng, Andres. Bruce Olson: Missionary or Colonizer? Christian Herald Books, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.