Παραπομπή σε μορφή APA (7η εκδ.)
Derwing, B. L. (1973). Transformational grammar as a theory of language acquisition: A study in the emperical, conceptual and methodological foundations of contemporary linguistics. CUP.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Derwing, Bruce L. Transformational Grammar as a Theory of Language Acquisition: A Study in the Emperical, Conceptual and Methodological Foundations of Contemporary Linguistics. New York: CUP, 1973.
Παραπομπή σε μορφή MLA (9th εκδ.)
Derwing, Bruce L. Transformational Grammar as a Theory of Language Acquisition: A Study in the Emperical, Conceptual and Methodological Foundations of Contemporary Linguistics. CUP, 1973.
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