Gaya APA

Heward, W, L., Orlansky, M, D. (1992). Exceptional Children: An introduction Survey of Special Education (4th). New York: Maximillan Publishing.

Gaya MLA

Heward, William, L.., Orlansky, Michael, D.. "Exceptional Children: An introduction Survey of Special Education". 4th New York: Maximillan Publishing, 1992. Text.