Cita APA (7th ed.)

(1989). Philippine national drug formulary. National Drug Committee, National Drug Policy Implementation Team, Department of Health.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Philippine National Drug Formulary. National Drug Committee, National Drug Policy Implementation Team, Department of Health, 1989.