APA (7 वां संस्करण) प्रशस्ति पत्र

Paul, J. (2010). Business environment: Text and cases (3rd ed.). Tata McGraw-Hill Publishing.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Paul, Justin. Business Environment: Text and Cases. 3rd ed. New Delhi: Tata McGraw-Hill Publishing, 2010.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Paul, Justin. Business Environment: Text and Cases. 3rd ed. Tata McGraw-Hill Publishing, 2010.