APA استشهاد

Calabress, E. J. 1. (1978). Methodological Approaches to Deriving Environmental and Occupational Health Standards. Wiley Eastern.

استشهاد بنمط شيكاغو

Calabress, Edward. J 1946. Methodological Approaches to Deriving Environmental and Occupational Health Standards. New York: Wiley Eastern, 1978.

MLA استشهاد

Calabress, Edward. J 1946. Methodological Approaches to Deriving Environmental and Occupational Health Standards. Wiley Eastern, 1978.