APA (7 वां संस्करण) प्रशस्ति पत्र

Chopra, S., & Karla, D. V. (2019). Supply Chain Management: Strategy, Planning and Operation (7th.). Pearson India Education Services Pvt. Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chopra, Sunil, और Dharam Vir Karla. Supply Chain Management: Strategy, Planning and Operation. 7th. Noida: Pearson India Education Services Pvt. Ltd, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chopra, Sunil, और Dharam Vir Karla. Supply Chain Management: Strategy, Planning and Operation. 7th. Pearson India Education Services Pvt. Ltd, 2019.