APA (7 वां संस्करण) प्रशस्ति पत्र

RAI URMILA [A]. (2007). BUSINESS COMMUNICATION (9TH.). HIMALAYA PUBLISHING HOUSE.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

RAI URMILA [A]. BUSINESS COMMUNICATION. 9TH. MUMBAI: HIMALAYA PUBLISHING HOUSE, 2007.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

RAI URMILA [A]. BUSINESS COMMUNICATION. 9TH. HIMALAYA PUBLISHING HOUSE, 2007.