APA (7 वां संस्करण) प्रशस्ति पत्र

Havaldar Krishna K. (2014). Business marketing: Text and cases (4th.). McGRaw Hill Education Pvt Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Havaldar Krishna K. Business Marketing: Text and Cases. 4th. Chennai: McGRaw Hill Education Pvt Ltd, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Havaldar Krishna K. Business Marketing: Text and Cases. 4th. McGRaw Hill Education Pvt Ltd, 2014.