Cita APA (7th ed.)

Westling, D. L., & Lise Fox. (2000). Teaching students with severe disabilities (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Westling, David L., i Lise Fox. Teaching Students with Severe Disabilities. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2000.

Cita MLA (9th ed.)

Westling, David L., i Lise Fox. Teaching Students with Severe Disabilities. 2nd ed. Prentice Hall, 2000.