Cita APA (7th ed.)

Timberg, E. E., & Gorham, K. A. (1967). Selected reading suggestions for parents of mentally retarded children. U.S.Department of Health, Education, and Welfare, Social and Rehabilitation Service, Children's Bureau.

Cita Chicago (17th ed.)

Timberg, Eleanor Ernst, i Kathryn Aring Gorham. Selected Reading Suggestions for Parents of Mentally Retarded Children. Wash.: U.S.Department of Health, Education, and Welfare, Social and Rehabilitation Service, Children's Bureau, 1967.

Cita MLA (8th ed.)

Timberg, Eleanor Ernst, i Kathryn Aring Gorham. Selected Reading Suggestions for Parents of Mentally Retarded Children. U.S.Department of Health, Education, and Welfare, Social and Rehabilitation Service, Children's Bureau, 1967.