Travers, J. F., Elliot, S. N., & Kratochwill, T. R. (1993). Educational psychology: Effective teaching, effective learning. Brown and Benchmark.
Lua i Stíl Chicago (17ú heag.)Travers, John F., Stephen N. Elliot, agus Thomas R. Kratochwill. Educational Psychology: Effective Teaching, Effective Learning. Wisconsin: Brown and Benchmark, 1993.
Lua MLA (9ú heag.)Travers, John F., et al. Educational Psychology: Effective Teaching, Effective Learning. Brown and Benchmark, 1993.
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