Jolles, R. L. (2017). How to run seminars and workshops: Presentations skills for consultants, trainers, and teachers (Fourth edition.). Wiley.
Chicago-Zitierstil (17. Ausg.)Jolles, Robert L. How to Run Seminars and Workshops: Presentations Skills for Consultants, Trainers, and Teachers. Fourth edition. Hoboken, N.J: Wiley, 2017.
MLA-Zitierstil (9. Ausg.)Jolles, Robert L. How to Run Seminars and Workshops: Presentations Skills for Consultants, Trainers, and Teachers. Fourth edition. Wiley, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.