Freund, John E., Irwin Miller, and Marylees Miller. John E. Freund’s Mathematical Statistics with Applications. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 2004. Print.
HOGG, ROBERT. TANIS, ELLIOT. PROBABILITY AND STATISTICAL INFERENCE, GLOBAL EDITION. PEARSON EDUCATION LIMITED. Print.
Strait, Peggy Tang. A First Course in Probability and Statistics with Applications. 2nd ed. San Diego: Harcourt Brace, 1989. Print.
Wackerly, Dennis D., Richard L. Scheaffer, and William Mendenhall. Mathematical Statistics with Applications. 7th ed (int. student ed.). London: Thomson/Brooks/Cole, 2008. Print.
Weiss, N. A., Paul T. Holmes, and Michael Hardy. A Course in Probability. Boston: Pearson Addison Wesley, 2006. Print.