Kahn, H. (1972). Things to come: Thinking about the 70's and 80's. New York: The MacMillan Company.
استشهاد بنمط شيكاغوKahn, Herman. Things to Come: Thinking About the 70's and 80's. New York: The MacMillan Company, 1972.
MLA استشهادKahn, Herman. Things to Come: Thinking About the 70's and 80's. New York: The MacMillan Company, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.