FELLOWS HUGH. (1982). BUSINESS SPEAKING AND WRITING. PRENTICE -HALL INTERNATIONAL, INC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFELLOWS HUGH. BUSINESS SPEAKING AND WRITING. NEW JERSEY: PRENTICE -HALL INTERNATIONAL, INC, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFELLOWS HUGH. BUSINESS SPEAKING AND WRITING. PRENTICE -HALL INTERNATIONAL, INC, 1982.
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