Gaya APA

Gaedcke, F., Steinhoff, B. (2003). Herbal Medicinal Products : Scientific and Regulatory Basis for Development, Quality Assurance and Marketing Authorisation . Stuttgart: Medpharm Scientific Publishers.

Gaya MLA

Gaedcke, Frauke., Steinhoff, Barbara. "Herbal Medicinal Products : Scientific and Regulatory Basis for Development, Quality Assurance and Marketing Authorisation". Stuttgart: Medpharm Scientific Publishers, 2003. Text.