Nixon, R., Duckworth, M., & Gude, K. (2002). Matrix: Pre - Intermediate workbook. Oxford: Oxford Univ. Press.
Čikaški stil citiranjaNixon, Rosemary, Michael Duckworth, i Kathy Gude. Matrix: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2002.
MLA način citiranjaNixon, Rosemary, Michael Duckworth, i Kathy Gude. Matrix: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2002.
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