Pedre, V., & Lawlor, P. G. (2015). Happy gut: The cleansing program to help you lose weight, gain energy, and eliminate pain (Unabridged ; [Retail edition].). Harper Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pedre, Vincent, و Patrick G. Lawlor. Happy Gut: The Cleansing Program to Help You Lose Weight, Gain Energy, and Eliminate Pain. Unabridged ; [Retail edition]. New York, NY: Harper Audio, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pedre, Vincent, و Patrick G. Lawlor. Happy Gut: The Cleansing Program to Help You Lose Weight, Gain Energy, and Eliminate Pain. Unabridged ; [Retail edition]. Harper Audio, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.