Gronlund, N. E. (1978). Stating objectives for classroom instruction (2nd ed.). Macmillan.
Chicago Style (17th ed.) ZitazioaGronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. New York: Macmillan, 1978.
MLA (9th ed.) ZitazioaGronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. Macmillan, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.