Brandreth, G. D. (2019). Have you eaten grandma?: Or, the life-saving importance of correct punctuation, grammar, and good English (First Atria Books hardcover edition.). Atria Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brandreth, Gyles Daubeney. Have You Eaten Grandma?: Or, the Life-saving Importance of Correct Punctuation, Grammar, and Good English. First Atria Books hardcover edition. New York: Atria Books, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brandreth, Gyles Daubeney. Have You Eaten Grandma?: Or, the Life-saving Importance of Correct Punctuation, Grammar, and Good English. First Atria Books hardcover edition. Atria Books, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.