Robbins, N. (1963). Speech beginnings for the deaf-blind child: A guide for parents. Perkins School for the Blind.
Cita Chicago (17th ed.)Robbins, Nan. Speech Beginnings for the Deaf-blind Child: A Guide for Parents. Watertown, Mass.: Perkins School for the Blind, 1963.
Cita MLA (8th ed.)Robbins, Nan. Speech Beginnings for the Deaf-blind Child: A Guide for Parents. Perkins School for the Blind, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.