Hardy, J. (1983). Cerebral palsy. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hardy, James. Cerebral Palsy. Prentice-Hall, 1983.
Lua MLA (8ú heag.)Hardy, James. Cerebral Palsy. Prentice-Hall, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.