APA (7th ed.) Citation

(1991). Philippine national drug formulary: [essential drugs lists] (2nd ed.). The National Drug Committee, National Drug Policy Program, Department of Health.

Chicago Style (17th ed.) Citation

Philippine National Drug Formulary: [essential Drugs Lists]. 2nd ed. Manila: The National Drug Committee, National Drug Policy Program, Department of Health, 1991.

MLA (9th ed.) Citation

Philippine National Drug Formulary: [essential Drugs Lists]. 2nd ed. The National Drug Committee, National Drug Policy Program, Department of Health, 1991.