एपीए उद्धरण

Drucker, P. F. (1981). Toward the next economics and other essays. Allied Publishers.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. Toward the Next Economics and Other Essays. Bombay: Allied Publishers, 1981.

एमएलए उद्धरण

Drucker, Peter F. Toward the Next Economics and Other Essays. Allied Publishers, 1981.