Davies, P. A., & Paul A. Davies; Simon Greenall. (2001). All stars: Upper-intermediate Workbook. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoDavies, Paul A., và Paul A. Davies; Simon Greenall. All Stars: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.
MLA CitationDavies, Paul A., và Paul A. Davies; Simon Greenall. All Stars: Upper-intermediate Workbook. Oxford: Oxford University Press, 2001.
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