Gaya APA

LEVIN, R, I. (1993). Pengambilan keputusan kuantitatif = quantitative approaches to management (7, net. 7). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

LEVIN, Richard, I.. "Pengambilan keputusan kuantitatif = quantitative approaches to management". 7, net. 7 Jakarta: Gramedia Pustaka Utama, 1993. Text.