Lehman, C. M., Dufrence, D. D., Sinha, M., & Walker, R. C. (2016). Business Communication: A South Asian Perspective (2nd ed.). Cengage Learning India Pvt. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLehman, Carol M., Debbie D. Dufrence, Mala Sinha, और Robyn C. Walker. Business Communication: A South Asian Perspective. 2nd ed. New Delhi: Cengage Learning India Pvt. Ltd, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLehman, Carol M., et al. Business Communication: A South Asian Perspective. 2nd ed. Cengage Learning India Pvt. Ltd, 2016.
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