International Conference on Conceptual Modeling :Paris, Cheng, P., Embley, D. W., & Kouloumdjian, J. Advances in conceptual modeling: ER 99 Workshops on Evolution and Change in Data Management, Reverse Engineering in Information Systems, and the World Wide Web and Conceptual Modeling Paris, France, November 15 18, 1999 : proceedings. Springer.
Cita Chicago (17th ed.)International Conference on Conceptual Modeling :Paris, Peter Cheng, David W. Embley, i Jacques Kouloumdjian. Advances in Conceptual Modeling: ER 99 Workshops on Evolution and Change in Data Management, Reverse Engineering in Information Systems, and the World Wide Web and Conceptual Modeling Paris, France, November 15 18, 1999 : Proceedings. Berlin [etc.]: Springer.
Cita MLA (8th ed.)International Conference on Conceptual Modeling :Paris, et al. Advances in Conceptual Modeling: ER 99 Workshops on Evolution and Change in Data Management, Reverse Engineering in Information Systems, and the World Wide Web and Conceptual Modeling Paris, France, November 15 18, 1999 : Proceedings. Springer.