Citazione Stile APA (7a Edizione)

Humphries, J. (1993). How to manage a sales team: A practical guide to sales leadership. Grolier International.

Citazione stile Chigago Style (17a edizione)

Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Hong Kong: Grolier International, 1993.

Citatione MLA (9a ed.)

Humphries, John. How to Manage a Sales Team: A Practical Guide to Sales Leadership. Grolier International, 1993.