Gaya APA

Soemoprajitno, K. (1970). Laporan Training Operasi Electric Arc Furnace di Kyoei Steel Works, Osaka, Japan . Bandung: Direktorat Pertambangan.

Gaya MLA

Soemoprajitno, Koesaeri. "Laporan Training Operasi Electric Arc Furnace di Kyoei Steel Works, Osaka, Japan". Bandung: Direktorat Pertambangan, 1970. Text.