Mann, P. S. (1995). Statistics for business and economics. John Wiley & Sons.
Cita Chicago (17th ed.)Mann, Prem S. Statistics for Business and Economics. New York: John Wiley & Sons, 1995.
Cita MLA (9th ed.)Mann, Prem S. Statistics for Business and Economics. John Wiley & Sons, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.