Humphries, J. (1993). How to manage a sales team: A practical guide to sales leadership. Grolier International.
Style de citation Chicago (17e éd.)Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Hongkong: Grolier International, 1993.
Style de citation MLA (9e éd.)Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Grolier International, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.