Kramer, S. N. (1963). The Sumerians: Their history, culture, and character. [Chicago]: University of Chicago Press.
استشهاد بنمط شيكاغوKramer, Samuel Noah. The Sumerians: Their History, Culture, and Character. [Chicago]: University of Chicago Press, 1963.
MLA استشهادKramer, Samuel Noah. The Sumerians: Their History, Culture, and Character. [Chicago]: University of Chicago Press, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.