Raynham, H., Gibbons, R., Flint, J., & Higgs, D. (1996). The genetic basis for mental retardation.
Lua i Stíl Chicago (17ú heag.)Raynham, H., R. Gibbons, J. Flint, agus D. Higgs. The Genetic Basis for Mental Retardation. 1996.
Lua MLA (9ú heag.)Raynham, H., et al. The Genetic Basis for Mental Retardation. 1996.
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