World Health Organization. (2003). WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. WHO Guidelines on Good Agricultural and Collection Practices (GACP) for Medicinal Plants. Geneva: World Health Organization, 2003.
MLA (9th ed.) CitationWorld Health Organization. WHO Guidelines on Good Agricultural and Collection Practices (GACP) for Medicinal Plants. World Health Organization, 2003.
Warning: These citations may not always be 100% accurate.