Gaya APA

Subagyo, P. et al (1984). Dasar-dasar operations research (2nd). Yogyakarta: BPFE-Yogyakarta.

Gaya MLA

Subagyo, Pangestu. et al. "Dasar-dasar operations research". 2nd Yogyakarta: BPFE-Yogyakarta, 1984. Textbook.