Gaya APA

Kreider, J, F., , . (1999). Botanical Medicine: Efficacy, Quality Assurence, And Regulation . New York: MAry Ann Liebert.

Gaya MLA

Kreider, Jan, F.., , . "Botanical Medicine: Efficacy, Quality Assurence, And Regulation". New York: MAry Ann Liebert, 1999. Text.