Clayton, G. D., Clayton, F. E., Allan, R. E., & Patty, F. A. (1991). Patty's industrial hygiene and toxicology (4th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Clayton, George D., Florence E. Clayton, R. E. Allan, agus F. A. Patty. Patty's Industrial Hygiene and Toxicology. 4th ed. New York: Wiley, 1991.
Lua MLA (8ú heag.)Clayton, George D., et al. Patty's Industrial Hygiene and Toxicology. 4th ed. Wiley, 1991.
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