Fenton, J. (1986). How to sell against competition. Pan Books in association with Heinemann.
芝加哥风格引文Fenton, John. How to Sell Against Competition. London: Pan Books in association with Heinemann, 1986.
MLA引文Fenton, John. How to Sell Against Competition. Pan Books in association with Heinemann, 1986.
警告：这些引文格式不一定是100％准确.