APA استشهاد

Calabrese, E. J. (1978). Methodical approaches to deriving environmental and occupational health standards. John Wiley.

استشهاد بنمط شيكاغو

Calabrese, Edward J. Methodical Approaches to Deriving Environmental and Occupational Health Standards. New York: John Wiley, 1978.

MLA استشهاد

Calabrese, Edward J. Methodical Approaches to Deriving Environmental and Occupational Health Standards. John Wiley, 1978.