Gaya APA

BRATA, N, T. (2008). PT.FREEPORT TANAH ADAT KAMORO . SEMARANG: UNNES PRESS.

Gaya MLA

BRATA, NUGROHO, TRISNU. "PT.FREEPORT TANAH ADAT KAMORO". SEMARANG: UNNES PRESS, 2008. Text.