Minski, L., & Shepperd, M. J. (1970). Non-communicating children. Butterworths.
Cita Chicago (17th ed.)Minski, Louis, i Margaret Joyce Shepperd. Non-communicating Children. London,: Butterworths, 1970.
Cita MLA (8th ed.)Minski, Louis, i Margaret Joyce Shepperd. Non-communicating Children. Butterworths, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.