Ellis, N. R., Bray, N. W., Glidden, L. M., & Switzky, H. N. (1966). International review of research in mental retardation. Academic Press.
Chicago-čujuhus (17. p.)Ellis, Norman R., Norman W. Bray, Laraine Masters Glidden, juo Harvey N. Switzky. International Review of Research in Mental Retardation. New York: Academic Press, 1966.
MLA-čujuhus (9. p.)Ellis, Norman R., et al. International Review of Research in Mental Retardation. Academic Press, 1966.
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