Cita APA (7a ed.)

Valentine, C., & Meyerson, M. (2014). World class speaking in action: 50 certified coaches show you how to present, persuade, and profit. Morgan James Publishing : Made available through hoopla.

Cita Chicago Style (17a ed.)

Valentine, Craig, y Mitch Meyerson. World Class Speaking in Action: 50 Certified Coaches Show You How to Present, Persuade, and Profit. [United States]: Morgan James Publishing : Made available through hoopla, 2014.

Cita MLA (8a ed.)

Valentine, Craig, y Mitch Meyerson. World Class Speaking in Action: 50 Certified Coaches Show You How to Present, Persuade, and Profit. Morgan James Publishing : Made available through hoopla, 2014.