Higgins, G. E., Howells, H., & Loe, J. A. (1983). The lightweight aggregate concrete bridge at Redesdale. Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Higgins, G. E., H. Howells, و J. A. Loe. The Lightweight Aggregate Concrete Bridge at Redesdale. Crowthorne, Berkshire: Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Higgins, G. E., et al. The Lightweight Aggregate Concrete Bridge at Redesdale. Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.