Freund, J. E. (2001). Modern elementary statistics (10th ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Freund, John E. Modern Elementary Statistics. 10th ed. Upper Saddle River, N.J: Prentice Hall, 2001.
Cita MLA (9a ed.)Freund, John E. Modern Elementary Statistics. 10th ed. Prentice Hall, 2001.
Precaución: Estas citas no son 100% exactas.