Wallwork, J. (1980). A workbook in language and linguistics (1st ed., repr.). Heinemann Educational Books.
Cita Chicago Style (17a ed.)Wallwork, J.F. A Workbook in Language and Linguistics. 1st ed., repr. London: Heinemann Educational Books, 1980.
Cita MLA (9a ed.)Wallwork, J.F. A Workbook in Language and Linguistics. 1st ed., repr. Heinemann Educational Books, 1980.
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