توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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.