Levy, M., & Stockwell, G. (2006). Call dimensions: Options and issues in computer assisted language learning. L. Erbaum Associates.
Lua i Stíl Chicago (17ú heag.)Levy, Mike, agus Glenn Stockwell. Call Dimensions: Options and Issues in Computer Assisted Language Learning. Mahwah, N.J.: L. Erbaum Associates, 2006.
Lua MLA (8ú heag.)Levy, Mike, agus Glenn Stockwell. Call Dimensions: Options and Issues in Computer Assisted Language Learning. L. Erbaum Associates, 2006.
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