APA (7 वां संस्करण) प्रशस्ति पत्र

Chopra, S., & Kalra Vri Dharam. (2019). Supply Chain Management: Strategy planning and operation (7th ed.). Pearson.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chopra, Sunil, और Kalra Vri Dharam. Supply Chain Management: Strategy Planning and Operation. 7th ed. U SA,: Pearson, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chopra, Sunil, और Kalra Vri Dharam. Supply Chain Management: Strategy Planning and Operation. 7th ed. Pearson, 2019.