Northrup, C., Schwartz, P., & Witte, J. (2012). The normal bar: The surprising secrets of happy couples and what they reveal about creating a new normal in your relationship (First edition.). Crown Archetype.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Northrup, Chrisanna, Pepper Schwartz, و James Witte. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. First edition. New York: Crown Archetype, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Northrup, Chrisanna, et al. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. First edition. Crown Archetype, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.