APA (7. basım) Alıntı

Keith, W. M., & Lundberg, C. O. (2020). Public speaking: Choices and responsibility (Third edition.). Cengage.

Chicago Style (17. basım) Atıf

Keith, William M., ve Christian O. Lundberg. Public Speaking: Choices and Responsibility. Third edition. Boston, MA: Cengage, 2020.

MLA (9th ed.) Atıf

Keith, William M., ve Christian O. Lundberg. Public Speaking: Choices and Responsibility. Third edition. Cengage, 2020.