Campbell, D. P. (1999). Leadership in Action: Inklings - Twenty-Five Years - Seemingly Quick as a Heartbeat. Center for Creative Leadership.
Chicago-Zitierstil (17. Ausg.)Campbell, David P. Leadership in Action: Inklings - Twenty-Five Years - Seemingly Quick as a Heartbeat. [Place of publication not identified]: Center for Creative Leadership, 1999.
MLA-Zitierstil (9. Ausg.)Campbell, David P. Leadership in Action: Inklings - Twenty-Five Years - Seemingly Quick as a Heartbeat. Center for Creative Leadership, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.