Gaya APA

Subagyo, P., Asri, M. (1999). Dasar-Dasar Operations Research Edisi 2 (EDISI 2). Yogyakarta: BPFE.

Gaya MLA

Subagyo, Pangestu., Asri, Marwan. "Dasar-Dasar Operations Research Edisi 2". EDISI 2 Yogyakarta: BPFE, 1999. Art Original.