Gaya APA

Mehta, D, K. et al (2004). WHO Model Formulary : Based or the 13th Model List of Essential Medicines 2003 . Geneva: World Health Organization.

Gaya MLA

Mehta, Dinesh, K.. et al. "WHO Model Formulary : Based or the 13th Model List of Essential Medicines 2003". Geneva: World Health Organization, 2004. print.