Citazione Stile APA (7a Edizione)

Hayes, J. (1991). Interpersonal skills: Goal-directed behavior at work. Harper Collins Academic.

Citazione stile Chigago Style (17a edizione)

Hayes, John. Interpersonal Skills: Goal-directed Behavior at Work. London: Harper Collins Academic, 1991.

Citatione MLA (9a ed.)

Hayes, John. Interpersonal Skills: Goal-directed Behavior at Work. Harper Collins Academic, 1991.