Gaya APA

SITUMEANG, R. et al (2015). Characteristics of nanosize spinel NixFe3-xO4 prepared by sol-gel method using egg white as emulsifying agent . Yogyakarta: Department of Chemistry UGM.

Gaya MLA

SITUMEANG, Rudy. et al. "Characteristics of nanosize spinel NixFe3-xO4 prepared by sol-gel method using egg white as emulsifying agent". Yogyakarta: Department of Chemistry UGM, 2015. Artikel.