Cita APA (7th ed.)
Weiss, N. A. (1999). Elementary statistics (4th.ed.). Addison-Wesley.
Cita Chicago (17th ed.)
Weiss, Neil A. Elementary Statistics. 4th.ed. Massachusetts: Addison-Wesley, 1999.
Cita MLA (9th ed.)
Weiss, Neil A. Elementary Statistics. 4th.ed. Addison-Wesley, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.