Conference on Metalclad Switchgear London, England, & Institution of Electrical Engineers. Power Division. (1972). Conference on Metalclad Switchgear, 28-30 March 1972. Institution of Electrical Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conference on Metalclad Switchgear London, England, و Institution of Electrical Engineers. Power Division. Conference on Metalclad Switchgear, 28-30 March 1972. London,: Institution of Electrical Engineers, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Conference on Metalclad Switchgear London, England, و Institution of Electrical Engineers. Power Division. Conference on Metalclad Switchgear, 28-30 March 1972. Institution of Electrical Engineers, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.