Block, J. H., & Anderson, L. W. (1975). Mastery learning in classroom instruction. Macmillan ; Collier Macmillan.

Block, James H., and Lorin W. Anderson. Mastery Learning in Classroom Instruction. New York : London: Macmillan ; Collier Macmillan, 1975.

Block, James H., and Lorin W. Anderson. Mastery Learning in Classroom Instruction. Macmillan ; Collier Macmillan, 1975.