APA-viite (7. p.)

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

Chicago-viite (17. p.)

Philippine National Drug Formulary: Essential Drugs Lists. [Manila]: National Drug Committee, National Drug Policy Implementation Team, Dept. of Health, 1989.

MLA-viite (9. p.)

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