HORNBY, A. (1962). A guide to patterns and Usage in Engglish. London , the english Language Book Society. Press.
Chicago Style (17th ed.) ZitazioaHORNBY, A.S. A Guide to Patterns and Usage in Engglish. London , the English Language Book Society. Oxford University: Press, 1962.
MLA (9th ed.) ZitazioaHORNBY, A.S. A Guide to Patterns and Usage in Engglish. London , the English Language Book Society. Press, 1962.
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