APA (7e ed.) Bronvermelding
Martin, D. (2005). Tough calls: AT&T and the hard lessons learned from the telecom wars. AMACOM.
Chicago (17e ed.) Bronvermelding
Martin, Dick. Tough Calls: AT&T and the Hard Lessons Learned from the Telecom Wars. New York: AMACOM, 2005.
MLA (9e ed.) Bronvermelding
Martin, Dick. Tough Calls: AT&T and the Hard Lessons Learned from the Telecom Wars. AMACOM, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.