International XML Database Symposium Seoul, Korea, Amer-Yahia, S., bellahsene, Z., Hunt, E., Unland, R., & Yu, J. X. (2006). Database and XML technologies: 4th International XML Database Symposium, XSym 2006, Seoul, Korea, September 10-11, 2006 : proceedings. Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International XML Database Symposium Seoul, Korea, Sihem Amer-Yahia, Zohra bellahsene, Ela Hunt, Rainer Unland, و Jeffrey Xu Yu. Database and XML Technologies: 4th International XML Database Symposium, XSym 2006, Seoul, Korea, September 10-11, 2006 : Proceedings. Berlin ; New York: Springer, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International XML Database Symposium Seoul, Korea, et al. Database and XML Technologies: 4th International XML Database Symposium, XSym 2006, Seoul, Korea, September 10-11, 2006 : Proceedings. Springer, 2006.