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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Central Road Research Institute và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Central Road Research Institute và 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.
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