Impey, G., & Underhill, N. (1994). The ELT manager's handbook: Practical advice on managing a successful language school. Heinemann English Language Teaching.
芝加哥风格引文Impey, Graham, 与 Nic Underhill. The ELT Manager's Handbook: Practical Advice on Managing a Successful Language School. Oxford: Heinemann English Language Teaching, 1994.
MLA引文Impey, Graham, 与 Nic Underhill. The ELT Manager's Handbook: Practical Advice on Managing a Successful Language School. Heinemann English Language Teaching, 1994.
警告：这些引文格式不一定是100％准确.