Berger, A. (2015). Validating analytic rating scales: A multi-method approach to scaling descriptors for assessing academic speaking. Peter Lang.
Citace podle Chicago (17th ed.)Berger, Armin. Validating Analytic Rating Scales: A Multi-method Approach to Scaling Descriptors for Assessing Academic Speaking. Frankfurt am Main ; New York: Peter Lang, 2015.
Citace podle MLA (9th ed.)Berger, Armin. Validating Analytic Rating Scales: A Multi-method Approach to Scaling Descriptors for Assessing Academic Speaking. Peter Lang, 2015.
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