Dyfyniad APA

Jolles, R. L. (2017). How to run seminars & workshops: Presentation skills for consultants, trainers, teachers, and salespeople (Fourth edition.). Wiley.

Dyfyniad Arddull Chicago

Jolles, Robert L. How to Run Seminars & Workshops: Presentation Skills for Consultants, Trainers, Teachers, and Salespeople. Fourth edition. Hoboken, New Jersey: Wiley, 2017.

Dyfyniad MLA

Jolles, Robert L. How to Run Seminars & Workshops: Presentation Skills for Consultants, Trainers, Teachers, and Salespeople. Fourth edition. Wiley, 2017.

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