Gaya APA

Hallahan, D, P., Kauffman, J, M. (2006). Exceptional Learners : An Introduction to Special Education Ed. 10'th (10). Boston: Pearson Education.

Gaya MLA

Hallahan, Daniel, P.., Kauffman, James, M.. "Exceptional Learners : An Introduction to Special Education Ed. 10'th". 10 Boston: Pearson Education, 2006. Text.