UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
芝加哥风格引文UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
MLA引文UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
警告：这些引文格式不一定是100％准确.