Schreiber, M. (1970). Social work and mental retardation. J. Day.
Cita Chicago (17th ed.)Schreiber, Meyer. Social Work and Mental Retardation. New york: J. Day, 1970.
Cita MLA (9th ed.)Schreiber, Meyer. Social Work and Mental Retardation. J. Day, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.