- Author: Dale Carnegie, J. Berg Esenwein
- Language: Spanish
- Year: 2018
- Author: Dale Carnegie & J. Berg Esenwein
- Language: English
- Year: 2019
- Author: J Berg Esenwein & Dale Carnagey
- Language: English
- Year: 2013
- Author: J. Berg Esenwein
- Language: English
- Year: 2008
- Author: Dale Carnegie Joseph Berg Esenwein
- Language: English
- Year: 2007