McLean, J. E., Schiefelbusch, R. L., & Yoder, D. E. (1972). Language intervention with the retarded: Developing strategies. University Park Press.
Lua i Stíl Chicago (17ú heag.)McLean, James E., Richard L. Schiefelbusch, agus David E. Yoder. Language Intervention with the Retarded: Developing Strategies. Baltimore: University Park Press, 1972.
Lua MLA (9ú heag.)McLean, James E., et al. Language Intervention with the Retarded: Developing Strategies. University Park Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.