Diringer, D. (1953). The alphabet: A key to the history of mankind (Second and revision edition [with amendments].). New York: Philosophical Library.
استشهاد بنمط شيكاغوDiringer, David. The Alphabet: A Key to the History of Mankind. Second and revision edition [with amendments]. New York: Philosophical Library, 1953.
MLA استشهادDiringer, David. The Alphabet: A Key to the History of Mankind. Second and revision edition [with amendments]. New York: Philosophical Library, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.