WHO. (1998). QUALITY CONTROL METHODS FOR MEDICINAL PLANT MATERIAL.
Chicago Style (17th ed.) CitationWHO. QUALITY CONTROL METHODS FOR MEDICINAL PLANT MATERIAL. GENEVA, 1998.
MLA引文WHO. QUALITY CONTROL METHODS FOR MEDICINAL PLANT MATERIAL. 1998.
警告：這些引文格式不一定是100％准確.