Cita APA

Nixon, R., Duckworth, M., & Gude, K. (2002). Matrix: Pre - Intermediate workbook. Oxford: Oxford Univ. Press.

Chicago Style Citation

Nixon, Rosemary, Michael Duckworth, i Kathy Gude. Matrix: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2002.

Cita MLA

Nixon, Rosemary, Michael Duckworth, i Kathy Gude. Matrix: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.