Anglo-Czech Conference of Information Specialists, London, Great Britain. Office for Scientific and Technical Information, Aslib, Ciba Foundation, Coblans, H., De Reuck, A. V., & Foskett, D. J. (1970). Library systems and information services: Proceedings of the second Anglo-Czech Conference of Information Specialists. Lockwood.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Anglo-Czech Conference of Information Specialists, London, Great Britain. Office for Scientific and Technical Information, Aslib, Ciba Foundation, Herbert Coblans, Anthony V.S De Reuck, و D. J. Foskett. Library Systems and Information Services: Proceedings of the Second Anglo-Czech Conference of Information Specialists. London: Lockwood, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Anglo-Czech Conference of Information Specialists, London, et al. Library Systems and Information Services: Proceedings of the Second Anglo-Czech Conference of Information Specialists. Lockwood, 1970.