SpringerLink (Online service) & Bouma, G. (2012). Natural language processing and information systems: 17th International Conference on Applications of Natural Language to Information Systems, NLDB 2012, Groningen, The Netherlands, June 26-28, 2012. Proceedings. Springer Berlin Heidelberg.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service) و Gosse Bouma. Natural Language Processing and Information Systems: 17th International Conference on Applications of Natural Language to Information Systems, NLDB 2012, Groningen, The Netherlands, June 26-28, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)SpringerLink (Online service) و Gosse Bouma. Natural Language Processing and Information Systems: 17th International Conference on Applications of Natural Language to Information Systems, NLDB 2012, Groningen, The Netherlands, June 26-28, 2012. Proceedings. Springer Berlin Heidelberg, 2012.