Allen, M. L. (1991). The Beginning of understanding: Writing in the ancient world. Ann Arbor: Kelsey Museum of Archaeology, University of Michigan.
استشهاد بنمط شيكاغوAllen, Marti Lu. The Beginning of Understanding: Writing in the Ancient World. Ann Arbor: Kelsey Museum of Archaeology, University of Michigan, 1991.
MLA استشهادAllen, Marti Lu. The Beginning of Understanding: Writing in the Ancient World. Ann Arbor: Kelsey Museum of Archaeology, University of Michigan, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.