APA-viite (7. p.)
Barrett, H. (1973). Practical methods in speech. (3rd ed.). Rinehart Press.
Chicago-viite (17. p.)
Barrett, Harold. Practical Methods in Speech. 3rd ed. San Francisco: Rinehart Press, 1973.
MLA-viite (9. p.)
Barrett, Harold. Practical Methods in Speech. 3rd ed. Rinehart Press, 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.