Langacker, R. W. (1987). Foundations of cognitive grammar. Stanford, Calif: Stanford University Press.
Trích dẫn kiểu ChicagoLangacker, Ronald W. Foundations of Cognitive Grammar. Stanford, Calif: Stanford University Press, 1987.
MLA citiranjeLangacker, Ronald W. Foundations of Cognitive Grammar. Stanford, Calif: Stanford University Press, 1987.
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