एपीए उद्धरण

Umbricht, V. H. (1969). Business policy in the development countries. [ New York ].

शिकागो स्टाइल उद्धरण

Umbricht, Victor H. Business Policy in the Development Countries. [ New York ], 1969.

एमएलए उद्धरण

Umbricht, Victor H. Business Policy in the Development Countries. [ New York ], 1969.