Cita APA (7th ed.)

Barker, L. L. (1987). Communication (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Barker, Larry L. Communication. 4th ed. Englewood Cliffs, N. J: Prentice-Hall, 1987.

Cita MLA (9th ed.)

Barker, Larry L. Communication. 4th ed. Prentice-Hall, 1987.