Gaya APA

subagyo, P. et al (). Dasar-dasar operations research (Ed. 2, cet. 9). Yogyakarta: BPFE.

Gaya MLA

subagyo, Pangestu. et al. "Dasar-dasar operations research". Ed. 2, cet. 9 Yogyakarta: BPFE, . Text.