Tims, N., Redston, C., & Cunningham, G. (2006). Face2face: Intermediate workbook. Cambridge University.
Chicago Style (17th ed.) CitationTims, Nicholas, Chris Redston, and Gillie Cunningham. Face2face: Intermediate Workbook. Cambridge: Cambridge University, 2006.
MLA引文Tims, Nicholas, et al. Face2face: Intermediate Workbook. Cambridge University, 2006.
警告:這些引文格式不一定是100%准確.