International Workshop on Object-oriented Database Systems Bad Münster am Stein-Ebernburg, Germany, Gesellschaft für Informatik, Universität Karlsruhe. Forschungszentrum Informatik, & Dittrich, K. R. (1988). Advances in object-oriented database systems: 2nd International Workshop on Object-oriented Database Systems, Bad Münster am Stein-Ebernburg, FRG, September 27-30, 1988, proceedings. Springer-Verlag.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Workshop on Object-oriented Database Systems Bad Münster am Stein-Ebernburg, Germany, Gesellschaft für Informatik, Universität Karlsruhe. Forschungszentrum Informatik, و Klaus R. Dittrich. Advances in Object-oriented Database Systems: 2nd International Workshop on Object-oriented Database Systems, Bad Münster Am Stein-Ebernburg, FRG, September 27-30, 1988, Proceedings. Berlin ; New York: Springer-Verlag, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Workshop on Object-oriented Database Systems Bad Münster am Stein-Ebernburg, Germany, et al. Advances in Object-oriented Database Systems: 2nd International Workshop on Object-oriented Database Systems, Bad Münster Am Stein-Ebernburg, FRG, September 27-30, 1988, Proceedings. Springer-Verlag, 1988.