Fredericks, K., & Fredericks, M. (2022). Marriage be hard: 12 conversations to keep you laughing, loving, and learning with your partner (First edition.). Convergent.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fredericks, Kevin, و Melissa Fredericks. Marriage Be Hard: 12 Conversations to Keep You Laughing, Loving, and Learning with Your Partner. First edition. New York: Convergent, 2022.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fredericks, Kevin, و Melissa Fredericks. Marriage Be Hard: 12 Conversations to Keep You Laughing, Loving, and Learning with Your Partner. First edition. Convergent, 2022.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.