Valenzuela, P. Medicines and pharmaceuticals manufactured from Philippine raw materials. Journal of the Philippine Pharmaceutical Association.
Cita Chicago (17th ed.)Valenzuela, Patrocinio. "Medicines and Pharmaceuticals Manufactured from Philippine Raw Materials." Journal of the Philippine Pharmaceutical Association .
Cita MLA (9th ed.)Valenzuela, Patrocinio. "Medicines and Pharmaceuticals Manufactured from Philippine Raw Materials." Journal of the Philippine Pharmaceutical Association, .
Atenció: Aquestes cites poden no estar 100% correctes.