Boehm, R. G. (2000). Geography: The World and its people. New York: Glencoe/McGraw-Hill.
استشهاد بنمط شيكاغوBoehm, Ricchard G. Geography: The World and Its People. New York: Glencoe/McGraw-Hill, 2000.
MLA استشهادBoehm, Ricchard G. Geography: The World and Its People. New York: Glencoe/McGraw-Hill, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.