Wilhelms, F. T. (1973). Supervision in a new key. Association for Supervision and Curriculum Development.
芝加哥风格引文Wilhelms, Fred T. Supervision in a New Key. Washington: Association for Supervision and Curriculum Development, 1973.
MLA引文Wilhelms, Fred T. Supervision in a New Key. Association for Supervision and Curriculum Development, 1973.
警告：这些引文格式不一定是100％准确.