APA
(1992). Rational Drug Use Modules 1- 4: ed. by Estrella Paje- Villar et al. Manila: DOH - The National Drug Committee.
Chicago
1992. Rational Drug Use Modules 1- 4: ed. by Estrella Paje- Villar et al. Manila: DOH - The National Drug Committee.
Harvard
(1992). Rational Drug Use Modules 1- 4: ed. by Estrella Paje- Villar et al. Manila: DOH - The National Drug Committee.
MLA
Rational Drug Use Modules 1- 4: ed. by Estrella Paje- Villar et al. Manila: DOH - The National Drug Committee. 1992.