एपीए उद्धरण

Drucker, P. F. (1959). Landmarks of tomorrow. Heinemann.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. Landmarks of Tomorrow. London: Heinemann, 1959.

एमएलए उद्धरण

Drucker, Peter F. Landmarks of Tomorrow. Heinemann, 1959.