United States. President's Committee on Employment of the Physically Handicapped & Donnelly, J. A. (1957). Employment of the physically handicapped. Govt. Pr..
Cita Chicago (17th ed.)United States. President's Committee on Employment of the Physically Handicapped i Joan Angela Donnelly. Employment of the Physically Handicapped. Wash.: Govt. Pr., 1957.
Cita MLA (8th ed.)United States. President's Committee on Employment of the Physically Handicapped i Joan Angela Donnelly. Employment of the Physically Handicapped. Govt. Pr., 1957.
Atenció: Aquestes cites poden no estar 100% correctes.