SpringerLink (Online service), Blesa, M. J., Blum, C., Gaspero, L. D., Roli, A., Sampels, M., & Schaerf, A. (2009). Hybrid Metaheuristics: 6th International Workshop, HM 2009, Udine, Italy, October 16-17, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), María J. Blesa, Christian Blum, Luca Di Gaspero, Andrea Roli, Michael Sampels, και Andrea Schaerf. Hybrid Metaheuristics: 6th International Workshop, HM 2009, Udine, Italy, October 16-17, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Hybrid Metaheuristics: 6th International Workshop, HM 2009, Udine, Italy, October 16-17, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2009.
