Gaya APA

Subagyo, P. et al (1990). Dasar-Dasar Operations Research (Cet. 1). Yogyakarta: BPFE.

Gaya MLA

Subagyo, Pangestu. et al. "Dasar-Dasar Operations Research". Cet. 1 Yogyakarta: BPFE, 1990. Text.