Gaya APA

Dhanutirto, H. et al (1986). Preliminary Study of 40 Selected Essential Bulk Drugs to be Produced in Indonesia . Jakarta: WHO Project.

Gaya MLA

Dhanutirto, Haryanto. et al. "Preliminary Study of 40 Selected Essential Bulk Drugs to be Produced in Indonesia". Jakarta: WHO Project, 1986. print.