APA-referens (7:e uppl.)

SpringerLink, NLP4DL (2009, Viareggi, Italy), & Bernardi, R. (2011). Advanced language technologies for digital libraries: International workshops on NLP4DL 2009, Viareggio, Italy, June 15, 2009 and AT4DL 2009, Trento, Italy, September 8, 2009. Springer Berlin Heidelberg.

Chicago-referens (17:e uppl.)

SpringerLink, Viareggi NLP4DL (2009, och Raffaella Bernardi. Advanced Language Technologies for Digital Libraries: International Workshops on NLP4DL 2009, Viareggio, Italy, June 15, 2009 and AT4DL 2009, Trento, Italy, September 8, 2009. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.

MLA-referens (9:e uppl.)

SpringerLink, et al. Advanced Language Technologies for Digital Libraries: International Workshops on NLP4DL 2009, Viareggio, Italy, June 15, 2009 and AT4DL 2009, Trento, Italy, September 8, 2009. Springer Berlin Heidelberg, 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.