Weiss, N. A. (2008). Elementary statistics (7th ed.). Pearson/Addison-Wesley.
Cita Chicago (17th ed.)Weiss, Neil A. Elementary Statistics. 7th ed. San Francisco, Calif: Pearson/Addison-Wesley, 2008.
Cita MLA (9th ed.)Weiss, Neil A. Elementary Statistics. 7th ed. Pearson/Addison-Wesley, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.