Cita APA (7th ed.)

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.