Cita APA (7a ed.)

Donovan, J., & Avery, R. (2014). Speaker, Leader, Champion: Succeed at Work Through the Power of Public Speaking (1st edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Donovan, Jeremey, y Ryan Avery. Speaker, Leader, Champion: Succeed at Work Through the Power of Public Speaking. 1st edition. McGraw-Hill, 2014.

Cita MLA (8a ed.)

Donovan, Jeremey, y Ryan Avery. Speaker, Leader, Champion: Succeed at Work Through the Power of Public Speaking. 1st edition. McGraw-Hill, 2014.