Jackson, S. L. (2016). Research methods and statistics: A critical thinking approach (5th. ed.). Cengage Learning.
Chicago-referens (17:e uppl.)Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. USA: Cengage Learning, 2016.
MLA-referens (8:e uppl.)Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. Cengage Learning, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.