BROCK SUSAN. (2004). BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD, 2004.
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