एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Drucker, Peter F. The Changing World of the Executive. New Delhi: Allied, 1982.

एमएलए उद्धरण

Drucker, Peter F. The Changing World of the Executive. Allied, 1982.