STEWART IAN. (1987). BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. I C A ENGLAND KOGAN PAGE LTD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSTEWART IAN. BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. LONDON: I C A ENGLAND KOGAN PAGE LTD, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSTEWART IAN. BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. I C A ENGLAND KOGAN PAGE LTD, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.