Boersma, F. J., Muir, W., & Muir, W. (1975). Eye movements and information processing in mentally retarded children. Rotterdam University Press.
Lua i Stíl Chicago (17ú heag.)Boersma, F. J., Walter Muir, agus Walter Muir. Eye Movements and Information Processing in Mentally Retarded Children. [Rotterdam]: Rotterdam University Press, 1975.
Lua MLA (8ú heag.)Boersma, F. J., et al. Eye Movements and Information Processing in Mentally Retarded Children. Rotterdam University Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.