Cita APA (7th ed.)

NICHOLLS, A. (1999). Mastering public speaking: How to prepare and delivera successful speech or presentation. Grolier International.

Cita Chicago (17th ed.)

NICHOLLS, Anne. Mastering Public Speaking: How to Prepare and Delivera Successful Speech or Presentation. Hongkong: Grolier International, 1999.

Cita MLA (9th ed.)

NICHOLLS, Anne. Mastering Public Speaking: How to Prepare and Delivera Successful Speech or Presentation. Grolier International, 1999.