Shurter, R. L. (1954). Effective letters in business (2nd ed.). Tata McGraw Hill Publishing Co.Ltd.
शिकागो स्टाइल उद्धरणShurter, Robert L. Effective Letters in Business. 2nd ed. Bombay: Tata McGraw Hill Publishing Co.Ltd, 1954.
एमएलए उद्धरणShurter, Robert L. Effective Letters in Business. 2nd ed. Tata McGraw Hill Publishing Co.Ltd, 1954.
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