Gaya APA

Bisset, N, G., Wichtl, M. (2001). Herbal Drugs and Phytopharmaceuticals A Handbook for Practice on a Scientific Basis With Reference to German Commision E Monographs (Second Edition). New York: CRC PRESS.

Gaya MLA

Bisset, Norman, Grainger., Wichtl, Max. "Herbal Drugs and Phytopharmaceuticals A Handbook for Practice on a Scientific Basis With Reference to German Commision E Monographs". Second Edition New York: CRC PRESS, 2001. .