Jolles, R. L. (1993). How to run seminars and workshops: Presentation skills for consultants, trainers, and teachers. John Wiley & Sons.
Chicago-стиль цитированияJolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. New York: John Wiley & Sons, 1993.
MLA-цитированиеJolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. John Wiley & Sons, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.