SpringerLink (Online service), Gupta, G., & Gabbrielli, M. Logic programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Gopal Gupta, i Maurizio Gabbrielli. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
MLA način citiranja (8. izdanje)SpringerLink (Online service), et al. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.