Gaya APA
Swanson, C, P., Lester, I, R, C, R, I, M. (1987).
Encyclopedia of special education a reference for the education of ì the handicapped and other exceptional children and adults volume 3 .
New York:
.
Gaya MLA
Swanson, Carl, P.., Lester, I., Reynolds,, Cecil, R, II., Mann,.
"Encyclopedia of special education a reference for the education of ì the handicapped and other exceptional children and adults volume 3".
New York:
,
1987.
Text.