Association for Supervision and Curriculum Development (U.S.). (1960). Freeing capacity to learn. Assoc. for Supervision and Curriculum Development.
芝加哥风格引文Association for Supervision and Curriculum Development (U.S.). Freeing Capacity to Learn. Wash.: Assoc. for Supervision and Curriculum Development, 1960.
MLA引文Association for Supervision and Curriculum Development (U.S.). Freeing Capacity to Learn. Assoc. for Supervision and Curriculum Development, 1960.
警告：这些引文格式不一定是100％准确.