Não informado. (1968). Measurement and Evaluation in Guidance. Association for Measurement and Evaluation in Guidance.
Lua i Stíl Chicago (17ú heag.)Não informado. Measurement and Evaluation in Guidance. Alexandria, Va: Association for Measurement and Evaluation in Guidance, 1968.
Lua MLA (8ú heag.)Não informado. Measurement and Evaluation in Guidance. Association for Measurement and Evaluation in Guidance, 1968.
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