APA (7 वां संस्करण) प्रशस्ति पत्र

Drucker, P. F. (1982). The changing world of the executive. Times Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Drucker, Peter Ferdinand. The Changing World of the Executive. New York, N.Y: Times Books, 1982.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Drucker, Peter Ferdinand. The Changing World of the Executive. Times Books, 1982.