APA (7 वां संस्करण) प्रशस्ति पत्र

Lesikar, R. V. (1999). Business communication: Theory and application (6th ed.). R.D. Irwin, A.T.B.S. publisher.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lesikar, Raymond Vincent. Business Communication: Theory and Application. 6th ed. Homewood, Ill., Delhi: R.D. Irwin, A.T.B.S. publisher, 1999.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Lesikar, Raymond Vincent. Business Communication: Theory and Application. 6th ed. R.D. Irwin, A.T.B.S. publisher, 1999.