Gaya APA

Levin, R, I. et al (1993). Pengambilan Keputusan Secara Kuantitatif = Quantitative Approaches To Management (Edisi 7). Jakarta: Rajawali Pers.

Gaya MLA

Levin, Richard, I.. et al. "Pengambilan Keputusan Secara Kuantitatif = Quantitative Approaches To Management". Edisi 7 Jakarta: Rajawali Pers, 1993. Text.