Tim Falla, P. A. D. (2008). Solutions Upper - Intermediate Work Book. Oxford Unversity Press.
Trích dẫn kiểu ChicagoTim Falla, Paul A Davies. Solutions Upper - Intermediate Work Book. Oxford Unversity Press, 2008.
MLA引文Tim Falla, Paul A Davies. Solutions Upper - Intermediate Work Book. Oxford Unversity Press, 2008.
警告：这些引文格式不一定是100％准确.