Gaya APA

Subgyo,{et.all}, P. (1995). Dasar-Dasar Operation Research (ed. 2). Yogyakarta: BPFE- Yogyakarta.

Gaya MLA

Subgyo,{et.all}, P.. Dasar-Dasar Operation Research. ed. 2 Yogyakarta: BPFE- Yogyakarta, 1995. Text.