APA (7th ed.) Zitazioa

Hull, J. M. (1991). What prevents christian adults from learning? Trinity.

Chicago Style (17th ed.) Zitazioa

Hull, John M. What Prevents Christian Adults from Learning? Philadelphia: Trinity, 1991.

MLA (9th ed.) Zitazioa

Hull, John M. What Prevents Christian Adults from Learning? Trinity, 1991.