Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Gupta, G., & Gabbrielli, M. Logic programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Gopal Gupta, και Maurizio Gabbrielli. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Logic Programming: 21st International Conference, ICLP 2005, Sitges, Spain, October 2-5, 2005, Proceedings.