Humphries, J. (1993). How to manage a sales team: A practical guide to sales leadership. Grolier International.
芝加哥风格引文Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Hongkong: Grolier International, 1993.
MLA引文Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Grolier International, 1993.
警告：这些引文格式不一定是100％准确.