APA (7th ed.) Zitazioa
Petersen, J. A. (1971). The marriage affair: The family counselor. Tyndale House.
Chicago Style (17th ed.) Zitazioa
Petersen, J. Allan. The Marriage Affair: The Family Counselor. Wheaton, Ill.: Tyndale House, 1971.
MLA (9th ed.) Zitazioa
Petersen, J. Allan. The Marriage Affair: The Family Counselor. Tyndale House, 1971.
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