Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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