ECDL (Conference) Vienna, Austria), Christodoulakis, S., Rauber, A., & Tjoa, A. M. (2005). Research and advanced technology for digital libraries: 9th European conference, ECDL 2005, Vienna, Austria, September 18-23, 2005 : proceedings. Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ECDL (Conference) Vienna, Austria), Stavros Christodoulakis, Andreas Rauber, و A Min Tjoa. Research and Advanced Technology for Digital Libraries: 9th European Conference, ECDL 2005, Vienna, Austria, September 18-23, 2005 : Proceedings. Berlin ; New York: Springer, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)ECDL (Conference) Vienna, Austria), et al. Research and Advanced Technology for Digital Libraries: 9th European Conference, ECDL 2005, Vienna, Austria, September 18-23, 2005 : Proceedings. Springer, 2005.