Gaya APA

CO, B, S, P, I, S, &, E. (1985). GP 100 - GP 125 . : PT. Indohero Steel & Engineering CO.

Gaya MLA

CO, Bagian, Service, PT., Indohero, Steel, &, Engineering. "GP 100 - GP 125". : PT. Indohero Steel & Engineering CO, 1985. Cetak.