Gaya APA

Levin, R, I. (1997). Pengambilan Keputusan Secara Kuantitatif : (Quantitative Approaches to Management) (7 e. Cet. 3). Jakarta: Rajawali Pers 1997.

Gaya MLA

Levin, Richard, I.. "Pengambilan Keputusan Secara Kuantitatif : (Quantitative Approaches to Management)". 7 e. Cet. 3 Jakarta: Rajawali Pers 1997, 1997. .