APA (7 वां संस्करण) प्रशस्ति पत्र

Doctor, R. (1983). Principles & practice of business communication (8th.). Sheth.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Bombay: Sheth, 1983.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Doctor, Radaha. Principles & Practice of Business Communication. 8th. Sheth, 1983.