Drucker, P. F. (1986). The frontiers of management: Where tomorrow's decisions are being shaped today. New York: truman Talley Books.
استشهاد بنمط شيكاغوDrucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. New York: truman Talley Books, 1986.
MLA استشهادDrucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. New York: truman Talley Books, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.