Gaya APA
MUELLER, W., R., H., A., F., W. (1980).
STATISTICS FOR BUSINESS AND ECONOMICS .
Boston/Toronto/London:
Allyn and Bacon Inc..
Gaya MLA
MUELLER, W., R., H., A., F., W..
STATISTICS FOR BUSINESS AND ECONOMICS.
Boston/Toronto/London:
Allyn and Bacon Inc.,
1980.
Lawas.