APA-referens (7:e uppl.)

Barrett, H. (1981). Speaking practically. Holt Rinehart & Winstor.

Chicago-referens (17:e uppl.)

Barrett, Harold. Speaking Practically. New York: Holt Rinehart & Winstor, 1981.

MLA-referens (9:e uppl.)

Barrett, Harold. Speaking Practically. Holt Rinehart & Winstor, 1981.