Gaya APA

Greenberg, M, I. (2003). Occupational, Industrial, and Environmental Toxicology Bk. 2 (2nd Ed.). USA: mosby el sevier.

Gaya MLA

Greenberg, Michael, I.. "Occupational, Industrial, and Environmental Toxicology Bk. 2". 2nd Ed. USA: mosby el sevier, 2003. Text.