APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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