Weimer, R. C. (1987). Applied elementary statistics. Brooks/Cole Pub.
Cita Chicago (17th ed.)Weimer, Richard C. Applied Elementary Statistics. Monterey, Calif: Brooks/Cole Pub, 1987.
Cita MLA (9th ed.)Weimer, Richard C. Applied Elementary Statistics. Brooks/Cole Pub, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.