Gaya APA

WIDJAYA, R, R. et al (2012). Characterization of cr/Bentonite and HZSM-5 zeolite as catalysts for ethanol conversion to biogasoli . Depok: Direktorat Riset dan Pengabdian Mayarakat UI.

Gaya MLA

WIDJAYA, Robert, Ronal. et al. "Characterization of cr/Bentonite and HZSM-5 zeolite as catalysts for ethanol conversion to biogasoli". Depok: Direktorat Riset dan Pengabdian Mayarakat UI, 2012. Artikel.