(2003). PPD Tabs: Philippine pharmaceutical directory therapeutic abstracts system. Medicomm Pacific.
Chicago Style (17th ed.) CitationPPD Tabs: Philippine Pharmaceutical Directory Therapeutic Abstracts System. Pasig City: Medicomm Pacific, 2003.
MLA引文PPD Tabs: Philippine Pharmaceutical Directory Therapeutic Abstracts System. Medicomm Pacific, 2003.
警告:這些引文格式不一定是100%准確.