Isaacs, F. (2020). Do I have to wear black to a funeral?: 112 etiquette guidelines for the new rules of death. The Countryman Press, a division of W.W. Norton & Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Isaacs, Florence. Do I Have to Wear Black to a Funeral?: 112 Etiquette Guidelines for the New Rules of Death. New York, NY: The Countryman Press, a division of W.W. Norton & Company, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Isaacs, Florence. Do I Have to Wear Black to a Funeral?: 112 Etiquette Guidelines for the New Rules of Death. The Countryman Press, a division of W.W. Norton & Company, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.