Dyfyniad APA

Curtis, D. B., Floyd, J. J., & Winsor, J. L. (1992). Business and professional communication. HarperCollins Publishers.

Dyfyniad Arddull Chicago

Curtis, Dan B., James J. Floyd, and Jerry L. Winsor. Business and Professional Communication. New York: HarperCollins Publishers, 1992.

Dyfyniad MLA

Curtis, Dan B., et al. Business and Professional Communication. HarperCollins Publishers, 1992.

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