Citazione Stile APA (7a Edizione)

DeVito, J. A. (1993). Messages: Building interpersonal communication skills (2nd.ed.). Harper Collins.

Citazione stile Chigago Style (17a edizione)

DeVito, Joseph A. Messages: Building Interpersonal Communication Skills. 2nd.ed. New York: Harper Collins, 1993.

Citatione MLA (9a ed.)

DeVito, Joseph A. Messages: Building Interpersonal Communication Skills. 2nd.ed. Harper Collins, 1993.