THOMSON, A. J. (1980). A Practical English Grammar A. J. Thomson And A. V. Martinet. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)THOMSON, A. J. A Practical English Grammar A. J. Thomson And A. V. Martinet. Oxford University Press, 1980.
Lua MLA (8ú heag.)THOMSON, A. J. A Practical English Grammar A. J. Thomson And A. V. Martinet. Oxford University Press, 1980.
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