McLean, J. E., Schiefelbusch, R. L., & Yoder, D. E. (1972). Language intervention with the retarded: Developing strategies. University Park Press.
Chicago-viite (17. p.)McLean, James E., Richard L. Schiefelbusch, ja David E. Yoder. Language Intervention with the Retarded: Developing Strategies. Baltimore: University Park Press, 1972.
MLA-viite (9. p.)McLean, James E., et al. Language Intervention with the Retarded: Developing Strategies. University Park Press, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.