Society, W. M. R. o. t. C. (1971). Drawing and detailing by automated procedures: Papers presented at a symposium held at Birmingham University on 13 April 1970 and organized. London : Concrete Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Society, West Midlands Region of the Concrete. Drawing and Detailing by Automated Procedures: Papers Presented at a Symposium Held at Birmingham University on 13 April 1970 and Organized. London : Concrete Society, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Society, West Midlands Region of the Concrete. Drawing and Detailing by Automated Procedures: Papers Presented at a Symposium Held at Birmingham University on 13 April 1970 and Organized. London : Concrete Society, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.