Cita APA (7th ed.)

(2004). Philippine pharmacopeia 1 (PP1). Department of Health-Bureau of Food and Drugs.

Cita Chicago (17th ed.)

Philippine Pharmacopeia 1 (PP1). Muntinlupa City: Department of Health-Bureau of Food and Drugs, 2004.

Cita MLA (9th ed.)

Philippine Pharmacopeia 1 (PP1). Department of Health-Bureau of Food and Drugs, 2004.