Wallwork, J. F. (1985). Language and linguistics: An introduction to the study of language (2nd ed.). Heinemann Educational books.
Citace podle Chicago (17th ed.)Wallwork, J. F. Language and Linguistics: An Introduction to the Study of Language. 2nd ed. London: Heinemann Educational books, 1985.
Citace podle MLA (9th ed.)Wallwork, J. F. Language and Linguistics: An Introduction to the Study of Language. 2nd ed. Heinemann Educational books, 1985.
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