Tims, N., Redston, C., & Cunninham, G. (2013). Face2face: Intermediate Workbook with key (segunda edición.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Tims, Nicholas, Chris Redston, , Gillie Cunninham. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge, United Kongdom: Cambridge University Press, 2013.
MLA(9版)引用形式Tims, Nicholas, et al. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge University Press, 2013.
警告: この引用は必ずしも正確ではありません.