Locker, K. O. (2009). Business communication building critical skills. McGraw-Hill High Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLocker, Kitty O. Business Communication Building Critical Skills. McGraw-Hill High Education, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLocker, Kitty O. Business Communication Building Critical Skills. McGraw-Hill High Education, 2009.
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