Gronlund, N. E. (1978). Stating objectives for classroom instruction (2nd ed.). Macmillan.
Dyfyniad Arddull ChicagoGronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. New York: Macmillan, 1978.
Dyfyniad MLAGronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. Macmillan, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.