Gaya APA

Subagyo, P. et al (1985). Dasar-Dasar Operations Research (Ed.ke-2). Yogyakarta: BPFE.

Gaya MLA

Subagyo, Pangestu. et al. "Dasar-Dasar Operations Research". Ed.ke-2 Yogyakarta: BPFE, 1985. Textbook.