Jackson, S. L. (2016). Research methods and statistics: A critical thinking approach (5th. ed.). Cengage Learning.
Chicago-viite (17. p.)Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. USA: Cengage Learning, 2016.
MLA-viite (8. p.)Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. Cengage Learning, 2016.
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