Clarke, A., & Lewis, M. (1972). Learning, speach and thought in the mantally retorded. Butterworths.
Chicago Style (17th ed.) CitationClarke, A.D.B, and M.M Lewis. Learning, Speach and Thought in the Mantally Retorded. Butterworths, 1972.
MLA (8th ed.) CitationClarke, A.D.B, and M.M Lewis. Learning, Speach and Thought in the Mantally Retorded. Butterworths, 1972.
Warning: These citations may not always be 100% accurate.