McNamara, T. (2010). The use of language tests in the service of policy: Issues of validity.
Cita Chicago (17th ed.)McNamara, Tim. The Use of Language Tests in the Service of Policy: Issues of Validity. 2010.
Cita MLA (8th ed.)McNamara, Tim. The Use of Language Tests in the Service of Policy: Issues of Validity. 2010.
Atenció: Aquestes cites poden no estar 100% correctes.