Dyfyniad APA

ebrary, Inc, Verhoeven, L. T., & Jong, J. H. A. L. d. (1992). The construct of language proficiency: Applications of psychological models to language assessment. John Benjamins Pub. Co..

Dyfyniad Arddull Chicago

ebrary, Inc, Ludo Th Verhoeven, and John H. A. L. de Jong. The Construct of Language Proficiency: Applications of Psychological Models to Language Assessment. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1992.

Dyfyniad MLA

ebrary, Inc, et al. The Construct of Language Proficiency: Applications of Psychological Models to Language Assessment. John Benjamins Pub. Co., 1992.

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