DOCTOR, R. (1994). PRINCIPLES AND PRACTICE OF BUSINESS COMMUNICATION. SHETH PUB.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDOCTOR, RHODA. PRINCIPLES AND PRACTICE OF BUSINESS COMMUNICATION. BOMBAY: SHETH PUB, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDOCTOR, RHODA. PRINCIPLES AND PRACTICE OF BUSINESS COMMUNICATION. SHETH PUB, 1994.
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