APA (7th ed.) Citation

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.) Citation

Verhoeven, Ludo Th, 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.

MLA (9th ed.) Citation

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