Allan, D. (1992). Oxford placement test: Marking kit with user's guide and diagnostic key. Oxford, UK: Oxford University Press.
Chicago Style aipamenaAllan, Dave. Oxford Placement Test: Marking Kit With User's Guide and Diagnostic Key. Oxford, UK: Oxford University Press, 1992.
MLA aipamenaAllan, Dave. Oxford Placement Test: Marking Kit With User's Guide and Diagnostic Key. Oxford, UK: Oxford University Press, 1992.
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