Gaya APA

Phytotherapy, E, S, C, O. (2003). The Scientific Foundation For Herbal Medicinal Products (2). America: Thieme Stratton inc.

Gaya MLA

Phytotherapy, European, Scientific, Cooperative, On. "The Scientific Foundation For Herbal Medicinal Products". 2 America: Thieme Stratton inc, 2003. Text.