APA (7 वां संस्करण) प्रशस्ति पत्र

Jones, L. (1989). New international business English: Communication skills in English for business purposes. U. Pr..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. Cambridge: U. Pr., 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Jones, Leo. New International Business English: Communication Skills in English for Business Purposes. U. Pr., 1989.