एपीए उद्धरण

Proctor, N. H., Hughes, J. P., & Fischman, M. L. (1989). Chemical hazards of the work place (2nd ed.). Van Nostrand Reinhold.

शिकागो स्टाइल उद्धरण

Proctor, Nick H., James P. Hughes, और Michael L. Fischman. Chemical Hazards of the Work Place. 2nd ed. N.Y: Van Nostrand Reinhold, 1989.

एमएलए उद्धरण

Proctor, Nick H., et al. Chemical Hazards of the Work Place. 2nd ed. Van Nostrand Reinhold, 1989.