Jolles, R. L. (1993). How to run seminars and workshops: Presentation skills for consultants, trainers, and teachers. John Wiley & Sons.
Chicago-Zitierstil (17. Ausg.)Jolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. New York: John Wiley & Sons, 1993.
MLA-Zitierstil (8. Ausg.)Jolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. John Wiley & Sons, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.