Umansky, W. (1998). Young children with special needs (3rd ed.). Merrill.
Citación estilo ChicagoUmansky, Warren. Young Children with Special Needs. 3rd ed. Upper Saddle River: Merrill, 1998.
Cita MLAUmansky, Warren. Young Children with Special Needs. 3rd ed. Merrill, 1998.
Warning: These citations may not always be 100% accurate.