Gaya APA

Levin, R, I., Rubin, D, S. (1992). Quantitative Approaches to Management (EIGHTH EDITION). America: Mc.GRAW-HILL.

Gaya MLA

Levin, Richard, I.., Rubin, David, S.. "Quantitative Approaches to Management". EIGHTH EDITION America: Mc.GRAW-HILL, 1992. Text.