APA (7th ed.) Zitazioa

Harkness, G. (1981). Understanding the christain faith (festival edition.). Abingdon.

Chicago Style (17th ed.) Zitazioa

Harkness, Georgia. Understanding the Christain Faith. festival edition. Nashville: Abingdon, 1981.

MLA (9th ed.) Zitazioa

Harkness, Georgia. Understanding the Christain Faith. festival edition. Abingdon, 1981.