Parke, R. D., Sawin, D. B., Cofer, C. N., & Hermanson, R. H. (1975). Programmed learning aid for aggression: Causes and controls. Learning Systems Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Parke, Ross D., Douglas B. Sawin, Charles N. Cofer, και Roger H. Hermanson. Programmed Learning Aid for Aggression: Causes and Controls. Homewood, Illinois: Learning Systems Company, 1975.
Παραπομπή σε μορφή MLA (9th εκδ.)Parke, Ross D., et al. Programmed Learning Aid for Aggression: Causes and Controls. Learning Systems Company, 1975.
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