Bartel, C. R. (1976). Instructional analysis and materials development. ATS.
芝加哥风格引文Bartel, Carl R. Instructional Analysis and Materials Development. Illinois: ATS, 1976.
MLA引文Bartel, Carl R. Instructional Analysis and Materials Development. ATS, 1976.
警告：这些引文格式不一定是100％准确.