APA (7 वां संस्करण) प्रशस्ति पत्र

Combs, J. A., & Combs, A. G. (1997). The history of American foreign policy (2nd ed.). McGraw-Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Combs, Jerald A., और Arthur G. Combs. The History of American Foreign Policy. 2nd ed. New York: McGraw-Hill, 1997.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Combs, Jerald A., और Arthur G. Combs. The History of American Foreign Policy. 2nd ed. McGraw-Hill, 1997.