Ott, L. (2010). An Introduction to statistical methods and data analysis (6th ed.). Brooks/Cole Cengage Learning.
Chicago-referens (17:e uppl.)Ott, Lyman. An Introduction to Statistical Methods and Data Analysis. 6th ed. Australia: Brooks/Cole Cengage Learning, 2010.
MLA-referens (9:e uppl.)Ott, Lyman. An Introduction to Statistical Methods and Data Analysis. 6th ed. Brooks/Cole Cengage Learning, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.