Não informado. (2003). Education of the Visually Handicapped. Association for Education of the Visually Handicapped.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Education of the Visually Handicapped. Philadelphia, Pa: Association for Education of the Visually Handicapped, 2003.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Education of the Visually Handicapped. Association for Education of the Visually Handicapped, 2003.
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