Dyfyniad APA

Doctor, R. (1983). Principles & practice of business communication (8th.). Sheth.

Dyfyniad Arddull Chicago

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Bombay: Sheth, 1983.

Dyfyniad MLA

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Sheth, 1983.

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