Howard, D. H. (1953). Effective communication: A guide to reading, writing, speaking, and listening. Prentice-hall.
Chicago-referens (17:e uppl.)Howard, Dean H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. New York: Prentice-hall, 1953.
MLA-referens (9:e uppl.)Howard, Dean H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. Prentice-hall, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.