Jolles, R. L. (1993). How to run seminars and workshops: Presentation skills for consultants, trainers, and teachers. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. New York: John Wiley & Sons, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJolles, Robert L. How to Run Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers. John Wiley & Sons, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.