Sarkees-Wircenski, M., & Scott, J. L. (1985). Vocational special needs (2nd ed.). American Technical Publishers.
Lua i Stíl Chicago (17ú heag.)Sarkees-Wircenski, Michelle, agus John L. Scott. Vocational Special Needs. 2nd ed. [Alsip, Ill.]: American Technical Publishers, 1985.
Lua MLA (8ú heag.)Sarkees-Wircenski, Michelle, agus John L. Scott. Vocational Special Needs. 2nd ed. American Technical Publishers, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.