APA-referens (7:e uppl.)

(1978). Highway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin.

Chicago-referens (17:e uppl.)

Highway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin, 1978.

MLA-referens (8:e uppl.)

Highway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin, 1978.