APA
World Health Organization, . (2007). WHO guidelines on good manufacturing practices (GMP) for herbal medicines. Geneva: World Health Organization.
Chicago
World Health Organization, . 2007. WHO guidelines on good manufacturing practices (GMP) for herbal medicines. Geneva: World Health Organization.
Harvard
World Health Organization, . (2007). WHO guidelines on good manufacturing practices (GMP) for herbal medicines. Geneva: World Health Organization.
MLA
World Health Organization, . WHO guidelines on good manufacturing practices (GMP) for herbal medicines. Geneva: World Health Organization. 2007.