Watson, C. J. (1990). Statistics for management and economics (4th ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Watson, Collin J. Statistics for Management and Economics. 4th ed. Boston: Allyn and Bacon, 1990.
Cita MLA (9th ed.)Watson, Collin J. Statistics for Management and Economics. 4th ed. Allyn and Bacon, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.