SpringerLink (Online service), Gonzalez Harbour, M., & de la Puente, J. A. (1999). Reliable Software Technologies - Ada-Europe '99: 1999 Ada-Europe International Conference on Reliable Software Technologies, Santander, Spain, June 7-11, 1999, Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-48753-0
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Michael Gonzalez Harbour, και Juan A. de la Puente. Reliable Software Technologies - Ada-Europe '99: 1999 Ada-Europe International Conference on Reliable Software Technologies, Santander, Spain, June 7-11, 1999, Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48753-0.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Reliable Software Technologies - Ada-Europe '99: 1999 Ada-Europe International Conference on Reliable Software Technologies, Santander, Spain, June 7-11, 1999, Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48753-0.
