Snelbecker, G. E. (1974). Learning theory, instructional theory, and psychoeducational design. McGraw-Hill.
芝加哥风格引文Snelbecker, Glenn E. Learning Theory, Instructional Theory, and Psychoeducational Design. New York: McGraw-Hill, 1974.
MLA引文Snelbecker, Glenn E. Learning Theory, Instructional Theory, and Psychoeducational Design. McGraw-Hill, 1974.
警告：这些引文格式不一定是100％准确.