Cita APA (7th ed.)

Royal National Institute for the Blind. (1978). Guidelines for teachers and parents of visually handicapped children with additional handicaps. the Institute.

Cita Chicago (17th ed.)

Royal National Institute for the Blind. Guidelines for Teachers and Parents of Visually Handicapped Children with Additional Handicaps. London: the Institute, 1978.

Cita MLA (8th ed.)

Royal National Institute for the Blind. Guidelines for Teachers and Parents of Visually Handicapped Children with Additional Handicaps. the Institute, 1978.