Lesikar, R. V. (1976). Business Communication: Theory and Practice (3rd ed.). Richard. D. Irwin.
शिकागो स्टाइल उद्धरणLesikar, Raymond V. Business Communication: Theory and Practice. 3rd ed. Illinois: Richard. D. Irwin, 1976.
एमएलए उद्धरणLesikar, Raymond V. Business Communication: Theory and Practice. 3rd ed. Richard. D. Irwin, 1976.
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