एपीए उद्धरण

Drucker, P. F. (1970). The age of discontinuity: Guidelines to our changing society. New York: Harper & Row.

शिकागो स्टाइल उद्धरण

Drucker, Peter F. The Age of Discontinuity: Guidelines to Our Changing Society. New York: Harper & Row, 1970.

एमएलए उद्धरण

Drucker, Peter F. The Age of Discontinuity: Guidelines to Our Changing Society. New York: Harper & Row, 1970.