Gottman, J. M., & Silver, N. (2015). The seven principles for making marriage work: A practical guide from the country's foremost relationship expert (Second edition.). Harmony Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gottman, John Mordechai, و Nan Silver. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. Second edition. New York: Harmony Books, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gottman, John Mordechai, و Nan Silver. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. Second edition. Harmony Books, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.