Drucker, P. F. (1986). The frontiers of management: Where tomorrow's decisions are being shaped today. New York: truman Talley Books.
শিকাগো স্টাইলে সাইটেশনDrucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. New York: truman Talley Books, 1986.
এমএলএ সাইটেশনDrucker, Peter F. The Frontiers of Management: Where Tomorrow's Decisions Are Being Shaped Today. New York: truman Talley Books, 1986.
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