APA Style

Subagyo,M.B.A, D. (1997). Dasar-Dasar Operation Research (2). BPFE-Yogyakarta: 1997.

MLA Style

Subagyo,M.B.A, Drs.Pangestu. "Dasar-Dasar Operation Research". 2 BPFE-Yogyakarta: 1997, 1997. Text.