Gaya APA

Heim, S, M, (. (1991). Faith to creed: ecumenical perspectives on the affirmation of the apostolic faith in the fourth century. . Grand Rapids: Eerdmans.

Gaya MLA

Heim, S., Mark, (ed.). "Faith to creed: ecumenical perspectives on the affirmation of the apostolic faith in the fourth century. ". Grand Rapids: Eerdmans, 1991. Buku.