एपीए उद्धरण

Drucker, P. F. (1992). Managing for the future. Butterworth.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. Managing for the Future. Great Britain: Butterworth, 1992.

एमएलए उद्धरण

Drucker, Peter F. Managing for the Future. Butterworth, 1992.