APA (7th ed.) Zitazioa
Getz, G. A. (1979). When you feel like a failure, take a lesson from David. Regal Books.
Chicago Style (17th ed.) Zitazioa
Getz, Gene A. When You Feel like a Failure, Take a Lesson from David. Ventura, CA: Regal Books, 1979.
MLA (9th ed.) Zitazioa
Getz, Gene A. When You Feel like a Failure, Take a Lesson from David. Regal Books, 1979.
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