Gottman, P., & Summerer, E. M. (2020). The seven principles for making marriage work: A practical guide from the country's foremost relationship expert (Unabridged, Revised and Updated.). Tantor Media.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gottman, PhD, و Eric Michael Summerer. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. Unabridged, Revised and Updated. Old Saybrook: Tantor Media, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gottman, PhD, و Eric Michael Summerer. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. Unabridged, Revised and Updated. Tantor Media, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.