Gaya APA

PhD, T, S, T., D, R, L, K, P. (2007). Herbal Products: Toxicology and Clinical Pharmacology . : Humana Press.

Gaya MLA

PhD, Timothy, S., Tracy,., D, Richard, L., Kingston,, Pharm. "Herbal Products: Toxicology and Clinical Pharmacology". : Humana Press, 2007. Text.