Thull, J. (2010). Mastering the complex sale: How to compete and win when the stakes are high! (2nd ed.). John Wiley.
Chicago-Zitierstil (17. Ausg.)Thull, Jeff. Mastering the Complex Sale: How to Compete and Win When the Stakes Are High! 2nd ed. Hoboken, N.J: John Wiley, 2010.
MLA-Zitierstil (9. Ausg.)Thull, Jeff. Mastering the Complex Sale: How to Compete and Win When the Stakes Are High! 2nd ed. John Wiley, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.