Gaya APA

Koeber, D, W., Laforge, R, L. (1980). The Manager's Guide to Statistics and Quantitative Methods . New York: Mc Graw Hill.

Gaya MLA

Koeber, Donald, W.., Laforge, R., Lawrence. "The Manager's Guide to Statistics and Quantitative Methods". New York: Mc Graw Hill, 1980. BUKU.