Stryker, P. (1967). The incomparable salesmen: A study of the extraordinary life insurance agents in the Million Dollar Round Table, including the greatest salesmen in the business world. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Stryker, Perrin. The Incomparable Salesmen: A Study of the Extraordinary Life Insurance Agents in the Million Dollar Round Table, Including the Greatest Salesmen in the Business World. New York [u.a.]: McGraw-Hill, 1967.
MLA-Zitierstil (9. Ausg.)Stryker, Perrin. The Incomparable Salesmen: A Study of the Extraordinary Life Insurance Agents in the Million Dollar Round Table, Including the Greatest Salesmen in the Business World. McGraw-Hill, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.