Workshop "Standards - Back to the Future?" Wetherby, England, & British Library. National Bibliographic Service. (1993). Standards- back to the future?: Proceedings of a workshop on the future of bibliographic standards. British Library, National Bibliographic Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Workshop "Standards - Back to the Future?" Wetherby, England, و British Library. National Bibliographic Service. Standards- Back to the Future?: Proceedings of a Workshop on the Future of Bibliographic Standards. Wetherby, England: British Library, National Bibliographic Service, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Workshop "Standards - Back to the Future?" Wetherby, England, و British Library. National Bibliographic Service. Standards- Back to the Future?: Proceedings of a Workshop on the Future of Bibliographic Standards. British Library, National Bibliographic Service, 1993.