(1972). The measurement of language proficiency ; an analysis of the structure of language proficiency and application of the research results in a comparison of the effects on learning of different study materials in the German language. A summary.
Chicago Style (17. basım) AtıfThe Measurement of Language Proficiency ; an Analysis of the Structure of Language Proficiency and Application of the Research Results in a Comparison of the Effects on Learning of Different Study Materials in the German Language. A Summary. 1972.
MLA (9th ed.) AtıfThe Measurement of Language Proficiency ; an Analysis of the Structure of Language Proficiency and Application of the Research Results in a Comparison of the Effects on Learning of Different Study Materials in the German Language. A Summary. 1972.