Gaya APA

m.b.a, P, S. et al (1985). Dasar-dasar operations research (Ed.2). : BPFE-Yogyakarta.

Gaya MLA

m.b.a, Pangestu, Subagyo,s.e.,. et al. "Dasar-dasar operations research". Ed.2 : BPFE-Yogyakarta, 1985. Buku.