Gaya APA

Berkhof, H., Woudstra, S. (1979). Christian Faith: An Introduction to the Study of the Faith . Grand Rapids, Mich.: William B. Eerdmans.

Gaya MLA

Berkhof, Hendrikus., Woudstra, Sierd. "Christian Faith: An Introduction to the Study of the Faith". Grand Rapids, Mich.: William B. Eerdmans, 1979. Text.