Mason, R. D. (1999). Statistical techniques in business and: Economics. Irwin.
Cita Chicago (17th ed.)Mason, Robert D. Statistical Techniques in Business and: Economics. Boston: Irwin, 1999.
Cita MLA (9th ed.)Mason, Robert D. Statistical Techniques in Business and: Economics. Irwin, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.