Skyttner, L. (1990). Shipping and disaster: A systems approach to rescue and survival at sea : thesis. Informatics and Systems Science Dept., Stockholm University : Royal Institute of Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Skyttner, Lars. Shipping and Disaster: A Systems Approach to Rescue and Survival at Sea : Thesis. Stockholm: Informatics and Systems Science Dept., Stockholm University : Royal Institute of Technology, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Skyttner, Lars. Shipping and Disaster: A Systems Approach to Rescue and Survival at Sea : Thesis. Informatics and Systems Science Dept., Stockholm University : Royal Institute of Technology, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.