Citazione Stile APA (7a Edizione)

Howard, D. H. (1953). Effective communication: A guide to reading, writing, speaking, and listening. Prentice-hall.

Citazione stile Chigago Style (17a edizione)

Howard, Dean H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. New York: Prentice-hall, 1953.

Citatione MLA (9a ed.)

Howard, Dean H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. Prentice-hall, 1953.