APA (7 वां संस्करण) प्रशस्ति पत्र

Mittal, R. R. (2009). Spend management ; Increasing value performance and efficiency. Global India Publications Pvt. Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Mittal, Ravi Ranjan. Spend Management ; Increasing Value Performance and Efficiency. New Delhi: Global India Publications Pvt. Ltd, 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Mittal, Ravi Ranjan. Spend Management ; Increasing Value Performance and Efficiency. Global India Publications Pvt. Ltd, 2009.