Beveridge, M., Conti-Ramsden, G., & Leudar, I. (1989). Language and communication in people with learning disabilities. Routledge.
Chicago Style (17. basım) AtıfBeveridge, Michael, Gina Conti-Ramsden, ve Ivan Leudar. Language and Communication in People with Learning Disabilities. London: Routledge, 1989.
MLA (9th ed.) AtıfBeveridge, Michael, et al. Language and Communication in People with Learning Disabilities. Routledge, 1989.
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