Mann, P. S. (1995). Statistics for business and economics. John Wiley & Sons.
Chicago Style (17th ed.) ZitazioaMann, Prem S. Statistics for Business and Economics. New York: John Wiley & Sons, 1995.
MLA (9th ed.) ZitazioaMann, Prem S. Statistics for Business and Economics. John Wiley & Sons, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.