Weylman, C. R., Burg, B., & Menasche, S. (2024). 100 proven ways to acquire and keep clients for life: The path to permanent business success ([First edition].). Ascent Audio.
Chicago-Zitierstil (17. Ausg.)Weylman, C. Richard, Bob Burg, und Steven Menasche. 100 Proven Ways to Acquire and Keep Clients for Life: The Path to Permanent Business Success. [First edition]. [Place of publication not identified]: Ascent Audio, 2024.
MLA-Zitierstil (9. Ausg.)Weylman, C. Richard, et al. 100 Proven Ways to Acquire and Keep Clients for Life: The Path to Permanent Business Success. [First edition]. Ascent Audio, 2024.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.