Cita APA (7th ed.)

Hartley, P., & Bruckmann, C. G. (2002). Business communication. Routledge.

Cita Chicago (17th ed.)

Hartley, Peter, i Clive G. Bruckmann. Business Communication. London ; New York: Routledge, 2002.

Cita MLA (9th ed.)

Hartley, Peter, i Clive G. Bruckmann. Business Communication. Routledge, 2002.