(2000). Educational Environments & Types of Disabilities. U.S. Department of Education.
Čikaški stil citiranja (17. izdanje)Educational Environments & Types of Disabilities. U.S. Department of Education, 2000.
MLA način citiranja (9. izdanje)Educational Environments & Types of Disabilities. U.S. Department of Education, 2000.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.