Dressel, P. L. (1976). Handbook of academic evaluation. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Dressel, Paul L. Handbook of Academic Evaluation. San Francisco: Jossey-Bass, 1976.
Lua MLA (9ú heag.)Dressel, Paul L. Handbook of Academic Evaluation. Jossey-Bass, 1976.
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