Dyfyniad APA

National Research Council (U.S.). Committee on Disability Determination for Individuals with Visual Impairments, Lennie, P., & Van Hemel, S. B. (2002). Visual impairments: Determining eligibility for social security benefits. National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Committee on Disability Determination for Individuals with Visual Impairments, Peter Lennie, and Susan B. Van Hemel. Visual Impairments: Determining Eligibility for Social Security Benefits. Washington, D.C.: National Academy Press, 2002.

Dyfyniad MLA

National Research Council (U.S.). Committee on Disability Determination for Individuals with Visual Impairments, et al. Visual Impairments: Determining Eligibility for Social Security Benefits. National Academy Press, 2002.

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