Harvard Bus. School. (2012). HBR Guide to Better Business Writing. Harvard Bus. School.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarvard Bus. School. HBR Guide to Better Business Writing. Boston: Harvard Bus. School, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarvard Bus. School. HBR Guide to Better Business Writing. Harvard Bus. School, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.