Gaya APA

ZEIN, U. et al (2013). Comparative study of antimalarial effect of sambiloto (Andrographis paniculata) Extract, Chloroquine . Jakarta: Interna Publishing.

Gaya MLA

ZEIN, Umar. et al. "Comparative study of antimalarial effect of sambiloto (Andrographis paniculata) Extract, Chloroquine". Jakarta: Interna Publishing, 2013. Majalah.