Bowler B. Bill & Parminter S. Sue. (1998). Headway. Pre-intermediate. Oxford, Oxford University Press, 1998.
Chicago Style (17th ed.) CitationBowler B. Bill and Parminter S. Sue. Headway. Pre-intermediate. Oxford, Oxford University Press, 1998, 1998.
MLA (9th ed.) CitationBowler B. Bill and Parminter S. Sue. Headway. Pre-intermediate. Oxford, Oxford University Press, 1998, 1998.
Warning: These citations may not always be 100% accurate.