APA-viite (7. p.)

Lucas, S. (2015). The art of public speaking (Twelfth edition.). McGraw-Hill Education.

Chicago-viite (17. p.)

Lucas, Stephen. The Art of Public Speaking. Twelfth edition. New York, NY: McGraw-Hill Education, 2015.

MLA-viite (9. p.)

Lucas, Stephen. The Art of Public Speaking. Twelfth edition. McGraw-Hill Education, 2015.

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