McLean, J. E., Schiefelbusch, R. L., & Yoder, D. E. (1972). Language intervention with the retarded: Developing strategies. University Park Press.
Chicago-referens (17:e uppl.)McLean, James E., Richard L. Schiefelbusch, och David E. Yoder. Language Intervention with the Retarded: Developing Strategies. Baltimore: University Park Press, 1972.
MLA-referens (9:e uppl.)McLean, James E., et al. Language Intervention with the Retarded: Developing Strategies. University Park Press, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.