Wallwork. Adrian. (2001). International express: Upper-intermediate. Pocket Book. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoWallwork. Adrian. International Express: Upper-intermediate. Pocket Book. Oxford: Oxford Univ. Press, 2001.
MLA引文Wallwork. Adrian. International Express: Upper-intermediate. Pocket Book. Oxford: Oxford Univ. Press, 2001.
警告:这些引文格式不一定是100%准确.