Gelb, I. J. 1. (1952). A study of writing: The foundations of grammatology. Chicago: University of Chicago Press.
استشهاد بنمط شيكاغوGelb, Ignace J. 1907-1985. A Study of Writing: The Foundations of Grammatology. Chicago: University of Chicago Press, 1952.
MLA استشهادGelb, Ignace J. 1907-1985. A Study of Writing: The Foundations of Grammatology. Chicago: University of Chicago Press, 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.