Gaya APA

Clayson, D., Krewski, D. (1985). Toxicological Risk Assessment. Vol.1. Biological and Critical Criteria . Boca Raton: CRC Press, Inc.

Gaya MLA

Clayson, D.B., Krewski, D.. "Toxicological Risk Assessment. Vol.1. Biological and Critical Criteria". Boca Raton: CRC Press, Inc, 1985. print.