International Conference on Developments in Power System Protection University of York, Institution of Electrical Engineers. Power Division, & Institute of Electrical and Electronics Engineers. United Kingdom and Republic of Ireland Section. (1993). Fifth International Conference on Developments in Power System Protection, 30 March-1 April 1993. Institution of Electrical Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on Developments in Power System Protection University of York, Institution of Electrical Engineers. Power Division, و Institute of Electrical and Electronics Engineers. United Kingdom and Republic of Ireland Section. Fifth International Conference on Developments in Power System Protection, 30 March-1 April 1993. London: Institution of Electrical Engineers, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Conference on Developments in Power System Protection University of York, et al. Fifth International Conference on Developments in Power System Protection, 30 March-1 April 1993. Institution of Electrical Engineers, 1993.