Penner, C. (1997). The married guy's guide to great sex: Building a passionate, intimate and fun love life. Tyndale House Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Penner, Clifford. The Married Guy's Guide to Great Sex: Building a Passionate, Intimate and Fun Love Life. Illinois: Tyndale House Publishers, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Penner, Clifford. The Married Guy's Guide to Great Sex: Building a Passionate, Intimate and Fun Love Life. Tyndale House Publishers, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.