(2003). PPD Tabs: Philippine pharmaceutical directory therapeutic abstracts system. Medicomm Pacific.
Čikaški stil citiranja (17. izdanje)PPD Tabs: Philippine Pharmaceutical Directory Therapeutic Abstracts System. Pasig City: Medicomm Pacific, 2003.
MLA način citiranja (9. izdanje)PPD Tabs: Philippine Pharmaceutical Directory Therapeutic Abstracts System. Medicomm Pacific, 2003.
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