APA (7 वां संस्करण) प्रशस्ति पत्र

Ball, J. H. (1943). Collective security: The why and how. World peace foundation.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ball, Joseph Hurst. Collective Security: The Why and How. Boston: World peace foundation, 1943.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Ball, Joseph Hurst. Collective Security: The Why and How. World peace foundation, 1943.