Cita APA (7th ed.)

Brooks, W. D., & Heath, R. W. (1989). Speech communication (Sixth edition.). Wm. C. Brown.

Cita Chicago (17th ed.)

Brooks, William Dean, i Robert W. Heath. Speech Communication. Sixth edition. Dubuque, Iowa: Wm. C. Brown, 1989.

Cita MLA (9th ed.)

Brooks, William Dean, i Robert W. Heath. Speech Communication. Sixth edition. Wm. C. Brown, 1989.