(2003). American headway; workbook - 3. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoAmerican Headway; Workbook - 3. Oxford: Oxford University Press, 2003.
MLA citiranjeAmerican Headway; Workbook - 3. Oxford: Oxford University Press, 2003.
Opozorilo: Ti citati niso vedno 100% točni.