Institution of Electrical Engineers & Institution of Mechanical Engineers (Great Britain). Engineering Manufacturing Industries Division. (1991). Effective CADCAM '91: Proceedings of the Institution of Mechanical Engineers European conference, 6-7 November 1991, Forte Crest Hotel, Coventry. Published for the Institution of Mechanical Engineers by Mechanical Engineering Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Institution of Electrical Engineers و Institution of Mechanical Engineers (Great Britain). Engineering Manufacturing Industries Division. Effective CADCAM '91: Proceedings of the Institution of Mechanical Engineers European Conference, 6-7 November 1991, Forte Crest Hotel, Coventry. Bury St. Edmunds, Suffolk: Published for the Institution of Mechanical Engineers by Mechanical Engineering Publications, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Institution of Electrical Engineers و Institution of Mechanical Engineers (Great Britain). Engineering Manufacturing Industries Division. Effective CADCAM '91: Proceedings of the Institution of Mechanical Engineers European Conference, 6-7 November 1991, Forte Crest Hotel, Coventry. Published for the Institution of Mechanical Engineers by Mechanical Engineering Publications, 1991.