Gaya APA

Sunara,Trisna,dkk, . (1993). The Study On Upgrading Indonesian Feldspar Ore Characterization And Fpotation . : Pusat Penelitian dan Pengembangan Teknologi Mineral.

Gaya MLA

Sunara,Trisna,dkk, . "The Study On Upgrading Indonesian Feldspar Ore Characterization And Fpotation". : Pusat Penelitian dan Pengembangan Teknologi Mineral, 1993. Text.