Primary Research Group. (2017). International survey of research university faculty: Evaluation of the university president. Primary Research Group, Inc..
芝加哥风格引文Primary Research Group. International Survey of Research University Faculty: Evaluation of the University President. [New York, NY]: Primary Research Group, Inc., 2017.
MLA引文Primary Research Group. International Survey of Research University Faculty: Evaluation of the University President. Primary Research Group, Inc., 2017.
警告：这些引文格式不一定是100％准确.