Dyfyniad APA

Peck Roxy. (2012). Introduction to Statistics and Data Analysis (4th.). Cengage Learning.

Dyfyniad Arddull Chicago

Peck Roxy. Introduction to Statistics and Data Analysis. 4th. Australia: Cengage Learning, 2012.

Dyfyniad MLA

Peck Roxy. Introduction to Statistics and Data Analysis. 4th. Cengage Learning, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.