(1993). Modern Railway Transportation Conference Organized By The Institution Of Civil Engineers, Sponsored By The Kharlered Institute Of Transport The Institution Of Electrical Engineers. Thomas Telford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Modern Railway Transportation Conference Organized By The Institution Of Civil Engineers, Sponsored By The Kharlered Institute Of Transport The Institution Of Electrical Engineers. Thomas Telford, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Modern Railway Transportation Conference Organized By The Institution Of Civil Engineers, Sponsored By The Kharlered Institute Of Transport The Institution Of Electrical Engineers. Thomas Telford, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.