Citazione Stile APA (7a Edizione)

Koch, A. (2018). Purposeful communication in a digital age: Speaking for success (Second edition.). Routledge, Taylor & Francis Group.

Citazione stile Chigago Style (17a edizione)

Koch, Arthur. Purposeful Communication in a Digital Age: Speaking for Success. Second edition. New York: Routledge, Taylor & Francis Group, 2018.

Citatione MLA (9a ed.)

Koch, Arthur. Purposeful Communication in a Digital Age: Speaking for Success. Second edition. Routledge, Taylor & Francis Group, 2018.