Central Road Research Institute & Seminar on Role of Research in Road Development. (1978). 25 years of road research: Seminar on Role of Research in Road Development, 10 March 1978. Central Road Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Central Road Research Institute و Seminar on Role of Research in Road Development. 25 Years of Road Research: Seminar on Role of Research in Road Development, 10 March 1978. New Delhi: Central Road Research Institute, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Central Road Research Institute و Seminar on Role of Research in Road Development. 25 Years of Road Research: Seminar on Role of Research in Road Development, 10 March 1978. Central Road Research Institute, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.