Citazione APA

Anderson, R. M., & Greer, J. G. (1976). Educating the severely and profoundly retarded. University Park Press.

Stile di citazione Chicago

Anderson, Robert M., e John G. Greer. Educating the Severely and Profoundly Retarded. London: University Park Press, 1976.

Citazione MLA

Anderson, Robert M., e John G. Greer. Educating the Severely and Profoundly Retarded. University Park Press, 1976.