Martin J. Jackie & May P. Peter. (2003). Knockout. First Certificate: Workbook with key and tapescripts (5th ed.). Oxford, Oxford University Press, 2003.
Chicago Style (17th ed.) CitationMartin J. Jackie and May P. Peter. Knockout. First Certificate: Workbook with Key and Tapescripts. 5th ed. Oxford, Oxford University Press, 2003, 2003.
MLA (9th ed.) CitationMartin J. Jackie and May P. Peter. Knockout. First Certificate: Workbook with Key and Tapescripts. 5th ed. Oxford, Oxford University Press, 2003, 2003.
Warning: These citations may not always be 100% accurate.