Gaya APA

subagyo, P. et al (2000). Dasar-dasar operations research (cet.13). Yogyakarta: BPFE Yogyakarta.

Gaya MLA

subagyo, Pangestu. et al. "Dasar-dasar operations research". cet.13 Yogyakarta: BPFE Yogyakarta, 2000. Text.