Harrison, M., & Kerr, R. (1996). First certificate practice tests. New York: Oxford University Press.
Trích dẫn kiểu ChicagoHarrison, Mark., và Rosalie Kerr. First Certificate Practice Tests. New York: Oxford University Press, 1996.
MLA CitationHarrison, Mark., và Rosalie Kerr. First Certificate Practice Tests. New York: Oxford University Press, 1996.
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