APA
Boone D. R., . (1983). The Voice and voice therapy. Prentice-Hall, Englewood: .
Chicago
Boone Daniel R, . 1983. The Voice and voice therapy. Prentice-Hall, Englewood: .
Harvard
Boone D. R., . (1983). The Voice and voice therapy. Prentice-Hall, Englewood: .
MLA
Boone Daniel R, . The Voice and voice therapy. Prentice-Hall, Englewood: . 1983.