Cita APA (7th ed.)

Hamilton, C. (2015). Essentials of public speaking (Sixth edition.). Cengage Learning.

Cita Chicago (17th ed.)

Hamilton, Cheryl. Essentials of Public Speaking. Sixth edition. Stamford, CT: Cengage Learning, 2015.

Cita MLA (9th ed.)

Hamilton, Cheryl. Essentials of Public Speaking. Sixth edition. Cengage Learning, 2015.