VDM '91 Noordwijkerhout, N., VDM-Europe, Prehn, S. 1., & Toetenel, W. J. (1991). VDM '91: Formal software development methods : 4th international symposium of VDM Europe, Noordwijkerhout, The Netherlands, October 21-25, 1991 : proceedings. Springer-Verlag.
Citación estilo ChicagoVDM '91 Noordwijkerhout, Netherlands), VDM-Europe, S. 1955- Prehn, and W. J. Toetenel. VDM '91: Formal Software Development Methods : 4th International Symposium of VDM Europe, Noordwijkerhout, The Netherlands, October 21-25, 1991 : Proceedings. Berlin ; New York: Springer-Verlag, 1991.
Cita MLAVDM '91 Noordwijkerhout, Netherlands), VDM-Europe, S. 1955- Prehn, and W. J. Toetenel. VDM '91: Formal Software Development Methods : 4th International Symposium of VDM Europe, Noordwijkerhout, The Netherlands, October 21-25, 1991 : Proceedings. Berlin ; New York: Springer-Verlag, 1991.