APA (7 वां संस्करण) प्रशस्ति पत्र

Hill Charles W.L & Hult, G. T. M. (2021). International Business- Competing in the Global Marketplace (12th.). McGeaw Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Hill Charles W.L और G Tomas M. Hult. International Business- Competing in the Global Marketplace. 12th. Noida: McGeaw Hill, 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Hill Charles W.L और G Tomas M. Hult. International Business- Competing in the Global Marketplace. 12th. McGeaw Hill, 2021.