Mangold, M. C. (1927). Methods of measuring the reliability of tests. Catholic Education Press.
Lua i Stíl Chicago (17ú heag.)Mangold, Marie Cecilia. Methods of Measuring the Reliability of Tests. Washington, D.C.: Catholic Education Press, 1927.
Lua MLA (8ú heag.)Mangold, Marie Cecilia. Methods of Measuring the Reliability of Tests. Catholic Education Press, 1927.
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