SpringerLink (Online service), Gupta, G., & Gabbrielli, M. Logic programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
芝加哥风格引文SpringerLink (Online service), Gopal Gupta, 与 Maurizio Gabbrielli. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
MLA引文SpringerLink (Online service), et al. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.
警告：这些引文格式不一定是100％准确.