Cita APA (7th ed.)

Hartley, P. (1993). Interpersonal communication. Routledge.

Cita Chicago (17th ed.)

Hartley, Peter. Interpersonal Communication. London: Routledge, 1993.

Cita MLA (9th ed.)

Hartley, Peter. Interpersonal Communication. Routledge, 1993.