एपीए उद्धरण

Haas, F. C. (1968). Executive obsolescence. American management association.

शिकागो स्टाइल उद्धरण

Haas, Frederick C. Executive Obsolescence. United Staltes of America: American management association, 1968.

एमएलए उद्धरण

Haas, Frederick C. Executive Obsolescence. American management association, 1968.