APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Barletta, W. A., & Wegener, H. (2009). Averting disaster: Science for peace in a perilous age : the Erice International Seminars on Nuclear War and Planetary Emergencies, from 1981 to 2008. World Scientific Pub. Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, W. A. Barletta, और Henning Wegener. Averting Disaster: Science for Peace in a Perilous Age : The Erice International Seminars on Nuclear War and Planetary Emergencies, from 1981 to 2008. Hackensack, NJ: World Scientific Pub. Co., 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, et al. Averting Disaster: Science for Peace in a Perilous Age : The Erice International Seminars on Nuclear War and Planetary Emergencies, from 1981 to 2008. World Scientific Pub. Co., 2009.