Cita APA (7th ed.)
Umansky, W. (1998). Young children with special needs (3rd ed.). Merrill.
Cita Chicago (17th ed.)
Umansky, Warren. Young Children with Special Needs. 3rd ed. Upper Saddle River: Merrill, 1998.
Cita MLA (9th ed.)
Umansky, Warren. Young Children with Special Needs. 3rd ed. Merrill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.