> Publishers' series
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8:
The development of a common framework scale of language proficiency Brian North
New York; Bern; Frankfurt am Main; Berlin; Vienna [u.a.]: Lang, c 2000
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6:
Second language proficiency, foreign language aptitude, and intelligence quantitative and qualitative analyses Miyuki Sasaki
New York; Washington, DC/Baltimore; San Francisco; Bern; Frankfurt am Main; Berlin; Vienna; Paris: Lang, c1996
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5:
Second language rhetorics in process a comparison of Arabic, Chinese and Spanish Alexandra Rowe Henry
New York; Berlin [u.a.]: Lang, 1993
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4:
Morpho-syntactic erosion between two generational groups of Spanish speakers in the United States Elizabeth A. Martínez
New York; San Francisco; Bern; Baltimore; Frankfurt am Main; Berlin; Wien; Paris: Lang, 1993