Calabress, E. J. 1. (1978). Methodological Approaches to Deriving Environmental and Occupational Health Standards. Wiley Eastern.
Dyfyniad Arddull ChicagoCalabress, Edward. J 1946. Methodological Approaches to Deriving Environmental and Occupational Health Standards. New York: Wiley Eastern, 1978.
Dyfyniad MLACalabress, Edward. J 1946. Methodological Approaches to Deriving Environmental and Occupational Health Standards. Wiley Eastern, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.