Não informado. (2007). Creative Business. Staysail Enterprises.
Chicago-Zitierstil (17. Ausg.)Não informado. Creative Business. Boston, Mass: Staysail Enterprises, 2007.
MLA-Zitierstil (8. Ausg.)Não informado. Creative Business. Staysail Enterprises, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.