Diez, David M.; Barr, Christopher D.; Çetinkaya-Rundel, Mine (2014). Introductory statistics with randomization and simulation (First ed.). OpenIntro. ISBN9781500576691. OCLC889223663.
Diez, David M.; Barr, Christopher D.; Çetinkaya-Rundel, Mine; Dorazio, Leah (2015). Advanced High School Statistics. OpenIntro. ISBN9781943450022. OCLC980489902.