APA
Campbell D. T., . (2001). Social Measurement. : SAGE Publications, Incorporated.
Chicago
Campbell Donald T, . 2001. Social Measurement. : SAGE Publications, Incorporated.
Harvard
Campbell D. T., . (2001). Social Measurement. : SAGE Publications, Incorporated.
MLA
Campbell Donald T, . Social Measurement. : SAGE Publications, Incorporated. 2001.