Baldwin, V. L., Fredericks, H. D. B., & Brodsky, G. (1973). Isn't it time he outgrew this?: Or, A training program for parents of retarded children. Thomas.
Lua i Stíl Chicago (17ú heag.)Baldwin, Victor L., H. D. Bud Fredericks, agus Gerry Brodsky. Isn't It Time He Outgrew This?: Or, A Training Program for Parents of Retarded Children. Springfield, Ill.: Thomas, 1973.
Lua MLA (8ú heag.)Baldwin, Victor L., et al. Isn't It Time He Outgrew This?: Or, A Training Program for Parents of Retarded Children. Thomas, 1973.
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