Muhlen, N. (1969). The incredible Krupps: The rise, fall, and comeback of Germany's industrial family. New York: Award Books.
استشهاد بنمط شيكاغوMuhlen, Norbert. The Incredible Krupps: The Rise, Fall, and Comeback of Germany's Industrial Family. New York: Award Books, 1969.
MLA استشهادMuhlen, Norbert. The Incredible Krupps: The Rise, Fall, and Comeback of Germany's Industrial Family. New York: Award Books, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.