Cita APA (7th ed.)
May, T. (2011). Social research: Issues, methods and process (4th ed.). McGraw Hill.
Cita Chicago (17th ed.)
May, Tim. Social Research: Issues, Methods and Process. 4th ed. Maidenhead, England: McGraw Hill, 2011.
Cita MLA (9th ed.)
May, Tim. Social Research: Issues, Methods and Process. 4th ed. McGraw Hill, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.