SpringerLink (Online service), Amati, G., Carpineto, C., & Romano, G. (2007). Advances in Information Retrieval: 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Giambattista Amati, Claudio Carpineto, και Giovanni Romano. Advances in Information Retrieval: 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Advances in Information Retrieval: 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007. Proceedings. Springer Berlin Heidelberg, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.