Pearson, C. (1975). Getting down to business in English: Teachers' book 1. Heinemann.
芝加哥风格引文Pearson, Christopher. Getting Down to Business in English: Teachers' Book 1. London: Heinemann, 1975.
MLA引文Pearson, Christopher. Getting Down to Business in English: Teachers' Book 1. Heinemann, 1975.
警告：这些引文格式不一定是100％准确.