Cita APA (7a ed.)

National Drug Policy Program. (1989). Philippine national drug formulary: Essential drugs lists. National Drug Committee, National Drug Policy Implementation Team, Department of Health.

Cita Chicago Style (17a ed.)

National Drug Policy Program. Philippine National Drug Formulary: Essential Drugs Lists. Manila: National Drug Committee, National Drug Policy Implementation Team, Department of Health, 1989.

Cita MLA (9a ed.)

National Drug Policy Program. Philippine National Drug Formulary: Essential Drugs Lists. National Drug Committee, National Drug Policy Implementation Team, Department of Health, 1989.