APA (7th ed.) Zitazioa
Howe, F. R. (1982). Challenge and response, a handbook of Christian apologetics. Zondervan Pub. House.
Chicago Style (17th ed.) Zitazioa
Howe, Frederic R. Challenge and Response, a Handbook of Christian Apologetics. Grand Rapids, MI: Zondervan Pub. House, 1982.
MLA (9th ed.) Zitazioa
Howe, Frederic R. Challenge and Response, a Handbook of Christian Apologetics. Zondervan Pub. House, 1982.
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