APA (7th ed.) Citation

Shirreffs B. Brett & Conway D. Darren. (2011). On Course for IELTS: Audio CDs (2nd ed.). Melbourne, Oxford University Press, 2011.

Chicago Style (17th ed.) Citation

Shirreffs B. Brett and Conway D. Darren. On Course for IELTS: Audio CDs. 2nd ed. Melbourne, Oxford University Press, 2011, 2011.

MLA (9th ed.) Citation

Shirreffs B. Brett and Conway D. Darren. On Course for IELTS: Audio CDs. 2nd ed. Melbourne, Oxford University Press, 2011, 2011.

Warning: These citations may not always be 100% accurate.