Gaya APA

Research Guidelines for Evaluating the Safety and Efficacy of Herbal Medicines. (1993). Manila: World Health Organization.

Gaya Chicago

Research Guidelines for Evaluating the Safety and Efficacy of Herbal Medicines. . Manila: World Health Organization, 1993. Text.

Gaya MLA

Research Guidelines for Evaluating the Safety and Efficacy of Herbal Medicines. . Manila: World Health Organization, 1993. Text.

Gaya Turabian

Research Guidelines for Evaluating the Safety and Efficacy of Herbal Medicines. Manila: World Health Organization, 1993. Print.