Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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