Hug, W. E. (1975). Instructional design and the media program. American Library Association.
芝加哥风格引文Hug, William E. Instructional Design and the Media Program. Chicago: American Library Association, 1975.
MLA引文Hug, William E. Instructional Design and the Media Program. American Library Association, 1975.
警告：这些引文格式不一定是100％准确.