Library of Congress. National Library Service for the Blind and Physically Handicapped & Gibson, M. (1979). Sports and games for handicapped persons. Library of Congress, National Library Service for the Blind and Physically Handicapped.
Lua i Stíl Chicago (17ú heag.)Library of Congress. National Library Service for the Blind and Physically Handicapped agus Merrillyn Gibson. Sports and Games for Handicapped Persons. Washington: Library of Congress, National Library Service for the Blind and Physically Handicapped, 1979.
Lua MLA (8ú heag.)Library of Congress. National Library Service for the Blind and Physically Handicapped agus Merrillyn Gibson. Sports and Games for Handicapped Persons. Library of Congress, National Library Service for the Blind and Physically Handicapped, 1979.