Gaya APA

dkk, M, C., Novianti, E, N. (2015). Why? Rock and Mineral . Jakarta: Elex Media Komputindo.

Gaya MLA

dkk, Moonseop, CHO,., Novianti, Endah, Nawang. "Why? Rock and Mineral". Jakarta: Elex Media Komputindo, 2015. Text.