Cita APA (7a ed.)

Geskey, R. D. (2015). Media Planning and buying in the 21st century: Integrating tradicional and digital media. 2020:Marketing Communications LLC.

Cita Chicago Style (17a ed.)

Geskey, Ronald D. Media Planning and Buying in the 21st Century: Integrating Tradicional and Digital Media. Michigan: 2020:Marketing Communications LLC, 2015.

Cita MLA (9a ed.)

Geskey, Ronald D. Media Planning and Buying in the 21st Century: Integrating Tradicional and Digital Media. 2020:Marketing Communications LLC, 2015.