APA (7 वां संस्करण) प्रशस्ति पत्र

Gopalakrishnan, N. (2016). Simplified Lean Manufacture: Elements, Rules, Tools and Implementation. PHI Learning Pvt. Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gopalakrishnan, N. Simplified Lean Manufacture: Elements, Rules, Tools and Implementation. New Delhi: PHI Learning Pvt. Ltd, 2016.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gopalakrishnan, N. Simplified Lean Manufacture: Elements, Rules, Tools and Implementation. PHI Learning Pvt. Ltd, 2016.