Liz Soars, J. S. (2009). American headway: The world´s most trusted english course Teacher s Book (Second Edition.). Oxford.
Chicago Style (17th ed.) CitationLiz Soars, John Soars. American Headway: The World´s Most Trusted English Course Teacher S Book. Second Edition. Oxford, 2009.
MLA (9th ed.) CitationLiz Soars, John Soars. American Headway: The World´s Most Trusted English Course Teacher S Book. Second Edition. Oxford, 2009.
Warning: These citations may not always be 100% accurate.