May, T. (2001). Social research: Issues, methods and process (3rd ed.). Open University.
芝加哥风格引文May, Tim. Social Research: Issues, Methods and Process. 3rd ed. Phildelphia, Pa: Open University, 2001.
MLA引文May, Tim. Social Research: Issues, Methods and Process. 3rd ed. Open University, 2001.
警告：这些引文格式不一定是100％准确.