एपीए उद्धरण

Drucker, P. F. (1971). The new markets, and other essays. London: Heinemann.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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