Gaya APA

dkk, P, S. (1995). Dasar-Dasar Operation Research (II). Yogyakarta: BPFE- Yogyakarta.

Gaya MLA

dkk, Pangestu, Subgyo. "Dasar-Dasar Operation Research". II Yogyakarta: BPFE- Yogyakarta, 1995. Text.