Cheskin, L. (1959). Why people buy: Motivation research and its successful applicaton. Leverlght.
استشهاد بنمط شيكاغوCheskin, Louis. Why People Buy: Motivation Research and Its Successful Applicaton. New York: Leverlght, 1959.
MLA استشهادCheskin, Louis. Why People Buy: Motivation Research and Its Successful Applicaton. Leverlght, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.