एपीए उद्धरण

Berelson, B. (1969). Population: Challenging World Crisis. Voice of America.

शिकागो स्टाइल उद्धरण

Berelson, Bernard. Population: Challenging World Crisis. Washington: Voice of America, 1969.

एमएलए उद्धरण

Berelson, Bernard. Population: Challenging World Crisis. Voice of America, 1969.