Gaya APA
Barton, L., Sally, I, T. ().
Special education: policy, practices and social issues .
New:
New York: Harper & Row; 1981.
Gaya MLA
Barton, Len., Sally, I., Tomlinson,.
"Special education: policy, practices and social issues".
New:
New York: Harper & Row; 1981,
.
Text.