Biswas, M. (1980). Mentally retarded and normal children: A comparative study of their family conditions. Sterling.
Lua i Stíl Chicago (17ú heag.)Biswas, Manju. Mentally Retarded and Normal Children: A Comparative Study of Their Family Conditions. New Delhi: Sterling, 1980.
Lua MLA (8ú heag.)Biswas, Manju. Mentally Retarded and Normal Children: A Comparative Study of Their Family Conditions. Sterling, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.