Cita APA (7a ed.)

Downing, J. (2005). Teaching communication skills to students with severe disabilities (2nd ed.). Paul H. Brookes Pub. Co.

Cita Chicago Style (17a ed.)

Downing, June. Teaching Communication Skills to Students with Severe Disabilities. 2nd ed. Baltimore: Paul H. Brookes Pub. Co, 2005.

Cita MLA (9a ed.)

Downing, June. Teaching Communication Skills to Students with Severe Disabilities. 2nd ed. Paul H. Brookes Pub. Co, 2005.