Cita APA (7th ed.)

Jackson, S. L. (2016). Research methods and statistics: A critical thinking approach (5th. ed.). Cengage Learning.

Cita Chicago (17th ed.)

Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. USA: Cengage Learning, 2016.

Cita MLA (8th ed.)

Jackson, Sherri L. Research Methods and Statistics: A Critical Thinking Approach. 5th. ed. Cengage Learning, 2016.