May, T. (1997). Social research: Issuess, methods and process (2nd ed.). Buckingham: Open University.
استشهاد بنمط شيكاغوMay, Tim. Social Research: Issuess, Methods and Process. 2nd ed. Buckingham: Open University, 1997.
MLA استشهادMay, Tim. Social Research: Issuess, Methods and Process. 2nd ed. Buckingham: Open University, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.