Madsen, R. W. (1983). Introductory statistics for business and economics: /Richard W. Madsen, Melvin L. Moeschberger. N.J.: Prentice-Hall.
Cita Chicago (17th ed.)Madsen, Richard W. Introductory Statistics for Business and Economics: /Richard W. Madsen, Melvin L. Moeschberger. Englewood Cliffs: N.J.: Prentice-Hall, 1983.
Cita MLA (9th ed.)Madsen, Richard W. Introductory Statistics for Business and Economics: /Richard W. Madsen, Melvin L. Moeschberger. N.J.: Prentice-Hall, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.