Harding, K., & Wallwork, A. (2007). International express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press.
Chicago Style CitationHarding, Keith, and Adrian Wallwork. International Express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press, 2007.
MLA CitationHarding, Keith, and Adrian Wallwork. International Express: Upper-intermediate .Student's Book. Oxford: Oxford Univ. Press, 2007.
Warning: These citations may not always be 100% accurate.