Gaya APA

Kroeber, D, W. (1980). Grolier business library: The manager's guide to statistics and quantitative methods . United Stated of Amerika: Mc Graw Hill.

Gaya MLA

Kroeber, Donald, W.. "Grolier business library: The manager's guide to statistics and quantitative methods". United Stated of Amerika: Mc Graw Hill, 1980. Text.