Maggie Baigent, & Maggie Baigent; Chris Cavey; Nick Robinson. (2011). English Unlimited. B1, Pre-intermediate self-study pack (workbook with DVD-ROM). Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoMaggie Baigent, và Maggie Baigent; Chris Cavey; Nick Robinson. English Unlimited. B1, Pre-intermediate Self-study Pack (workbook With DVD-ROM). Cambridge: Cambridge University Press, 2011.
MLA引文Maggie Baigent, và Maggie Baigent; Chris Cavey; Nick Robinson. English Unlimited. B1, Pre-intermediate Self-study Pack (workbook With DVD-ROM). Cambridge: Cambridge University Press, 2011.
警告：这些引文格式不一定是100％准确.