Bethel, S. M. (1983). How to organize and manage a seminar: What to do and when to do it. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Bethel, Sheila Murray. How to Organize and Manage a Seminar: What to Do and When to Do It. Englewood Cliffs, N.J: Prentice-Hall, 1983.
Citatione MLA (9a ed.)Bethel, Sheila Murray. How to Organize and Manage a Seminar: What to Do and When to Do It. Prentice-Hall, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.