Dellar, H., & Walkley, A. (2012). Outcomes Advanced. Heinle Cengage Learning.
芝加哥风格引文Dellar, Hugh, 与 Andrew Walkley. Outcomes Advanced. [Hampshire]: Heinle Cengage Learning, 2012.
MLA引文Dellar, Hugh, 与 Andrew Walkley. Outcomes Advanced. Heinle Cengage Learning, 2012.
警告：这些引文格式不一定是100％准确.