एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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