Gaya APA

Subagyo,Pangestu, . (2000). Dasar-Dasar Operations Research (cet.13.ed.2). YOGYAKARTA: BPFE.

Gaya MLA

Subagyo,Pangestu, . "Dasar-Dasar Operations Research". cet.13.ed.2 YOGYAKARTA: BPFE, 2000. Text.