Citazione Stile APA (7a Edizione)

Hargie, O. D. (1997). The handbook of communication skills (2nd.). Routledge.

Citazione stile Chigago Style (17a edizione)

Hargie, Owen D. The Handbook of Communication Skills. 2nd. London: Routledge, 1997.

Citatione MLA (9a ed.)

Hargie, Owen D. The Handbook of Communication Skills. 2nd. Routledge, 1997.