Canby, J. V. (2001). The "Ur-nammu" Stela. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology.
استشهاد بنمط شيكاغوCanby, Jeanny Vorys. The "Ur-nammu" Stela. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2001.
MLA استشهادCanby, Jeanny Vorys. The "Ur-nammu" Stela. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.