एपीए उद्धरण

National Institute of industrial psychology. (1927). Occupational Psychology. National Institute of industrial psychology.

शिकागो स्टाइल उद्धरण

National Institute of industrial psychology. Occupational Psychology. London: National Institute of industrial psychology, 1927.

एमएलए उद्धरण

National Institute of industrial psychology. Occupational Psychology. National Institute of industrial psychology, 1927.