Stecher, B. M., & Davis, W. A. (1987). How to focus an evaluation. Sage Publications.
芝加哥风格引文Stecher, Brian M., 与 W. Alan Davis. How to Focus an Evaluation. Newbury Park, Calif.: Sage Publications, 1987.
MLA引文Stecher, Brian M., 与 W. Alan Davis. How to Focus an Evaluation. Sage Publications, 1987.
警告：这些引文格式不一定是100％准确.