एपीए उद्धरण

Allen, R. W. (1976). Industrial hygiene. Prentice-Hall of India.

शिकागो स्टाइल उद्धरण

Allen, Richard W. Industrial Hygiene. New Jersey: Prentice-Hall of India, 1976.

एमएलए उद्धरण

Allen, Richard W. Industrial Hygiene. Prentice-Hall of India, 1976.