Gaya APA

Subagyo, P, D. (2015). Dasar-Dasar Operations Research (cet.7.ed.2). YOGYAKARTA: BPFE.

Gaya MLA

Subagyo, Pangestu., Dkk. "Dasar-Dasar Operations Research". cet.7.ed.2 YOGYAKARTA: BPFE, 2015. Text.