United States. Dept. of Health, Education, and Welfare, & Genensky, S. M. (1979). Visual environmental adaptation problems of the partially sighted: Final report, prepared for the Department of Health, Education and Welfare. Center for the Partially Sighted.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. Dept. of Health, Education, and Welfare, এবং S. M. Genensky. Visual Environmental Adaptation Problems of the Partially Sighted: Final Report, Prepared for the Department of Health, Education and Welfare. Santa Monica: Center for the Partially Sighted, 1979.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিUnited States. Dept. of Health, Education, and Welfare, এবং S. M. Genensky. Visual Environmental Adaptation Problems of the Partially Sighted: Final Report, Prepared for the Department of Health, Education and Welfare. Center for the Partially Sighted, 1979.