Gaya APA

Forell, G, W. (1975). Ethics of decision, an introduction to Christian ethics, 7th pr. Copyright 1955. Cet. ke-2 1960. . Philadelphia: Fortress Press.

Gaya MLA

Forell, George, W.. "Ethics of decision, an introduction to Christian ethics, 7th pr. Copyright 1955. Cet. ke-2 1960. ". Philadelphia: Fortress Press, 1975. Buku.