APA (7th ed.) Zitazioa

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..

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Ludo Th Verhoeven, eta 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.

MLA (9th ed.) Zitazioa

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