Anderson, R. M., & Greer, J. G. (1976). Educating the severely and profoundly retarded. University Park Press.
शिकागो स्टाइल उद्धरणAnderson, Robert M., और John G. Greer. Educating the Severely and Profoundly Retarded. London: University Park Press, 1976.
एमएलए उद्धरणAnderson, Robert M., और John G. Greer. Educating the Severely and Profoundly Retarded. University Park Press, 1976.
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