APA (7th ed.) Zitazioa
Ulbrich, A. (1977). Presenting the gospel: How to do so with confidence and joy. The Board for evangelism.
Chicago Style (17th ed.) Zitazioa
Ulbrich, Armand. Presenting the Gospel: How to Do so with Confidence and Joy. Missouri: The Board for evangelism, 1977.
MLA (9th ed.) Zitazioa
Ulbrich, Armand. Presenting the Gospel: How to Do so with Confidence and Joy. The Board for evangelism, 1977.
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