Digital Library Futures: User Perspectives and Institutional Strategies (Conference) Milan, Italy), ebrary, Inc, Verheul, I., Tammaro, A. M., & Witt, S. W. (2010). Digital library futures: User perspectives and institutional strategies. De Gruyter Saur.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Digital Library Futures: User Perspectives and Institutional Strategies (Conference) Milan, Italy), Inc ebrary, Ingeborg Verheul, Anna Maria Tammaro, و Steve W. Witt. Digital Library Futures: User Perspectives and Institutional Strategies. Berlin ; New York: De Gruyter Saur, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Digital Library Futures: User Perspectives and Institutional Strategies (Conference) Milan, Italy), et al. Digital Library Futures: User Perspectives and Institutional Strategies. De Gruyter Saur, 2010.