Harvard Bus. School. (2011). HBR's 10 Must Reads: The Essentials. Harvard Bus. School.
Chicago-Zitierstil (17. Ausg.)Harvard Bus. School. HBR's 10 Must Reads: The Essentials. Boston: Harvard Bus. School, 2011.
MLA-Zitierstil (9. Ausg.)Harvard Bus. School. HBR's 10 Must Reads: The Essentials. Harvard Bus. School, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.