Mansfield, E. (1987). Statistics for business and economics: Methods and applications (3rd ed.). W.W. Norton.
Cita Chicago (17th ed.)Mansfield, Edwin. Statistics for Business and Economics: Methods and Applications. 3rd ed. New York: W.W. Norton, 1987.
Cita MLA (9th ed.)Mansfield, Edwin. Statistics for Business and Economics: Methods and Applications. 3rd ed. W.W. Norton, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.