Gaya APA

Kroeber, D, W., Laforge, R, L. (1980). THE MANAGER'S GUIDE TO STATISTICS AND QUANTITATIVE METHODS . USA: McGraw-Hill.

Gaya MLA

Kroeber, Donald, W.., Laforge, R., Lawrence. "THE MANAGER'S GUIDE TO STATISTICS AND QUANTITATIVE METHODS". USA: McGraw-Hill, 1980. Text.