Hoffer, M. M. Symposium on Orthopedic surgery in the mentally retarded.
Lua i Stíl Chicago (17ú heag.)Hoffer, M. Mark. Symposium on Orthopedic Surgery in the Mentally Retarded.
Lua MLA (8ú heag.)Hoffer, M. Mark. Symposium on Orthopedic Surgery in the Mentally Retarded.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.