Ingersoll, R. J. (1988). The enrollment problem: Proven management techniques / Ronald J. Ingersoll.
芝加哥风格引文Ingersoll, Ronald J. The Enrollment Problem: Proven Management Techniques / Ronald J. Ingersoll. New York : American Council on Education, 1988.
MLA引文Ingersoll, Ronald J. The Enrollment Problem: Proven Management Techniques / Ronald J. Ingersoll. 1988.
警告：这些引文格式不一定是100％准确.