Gaya APA

Bisset, N, G. (1994). Herbal Drugsand Phytopharmaceuticals : A handbook for practice on a scientific basis . Stuttgart: Medpharm Scientific Publishers.

Gaya MLA

Bisset, Norman, Grainger. "Herbal Drugsand Phytopharmaceuticals : A handbook for practice on a scientific basis". Stuttgart: Medpharm Scientific Publishers, 1994. Text.