Peck Roxy. (2012). Introduction to Statistics and Data Analysis (4th.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Peck Roxy. Introduction to Statistics and Data Analysis. 4th. Australia: Cengage Learning, 2012.
Citatione MLA (9a ed.)Peck Roxy. Introduction to Statistics and Data Analysis. 4th. Cengage Learning, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.