एपीए उद्धरण

Drucker, P. F. (1971). New markets and other essays. Heinemann.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. New Markets and Other Essays. London: Heinemann, 1971.

एमएलए उद्धरण

Drucker, Peter F. New Markets and Other Essays. Heinemann, 1971.