Chaddock, D. H. (1974). Introduction to fastening systems. Published for the Design Council, the British Standards Institution and the Council of Engineering Institutions by Oxford University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chaddock, D. H. Introduction to Fastening Systems. [London]: Published for the Design Council, the British Standards Institution and the Council of Engineering Institutions by Oxford University Press, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chaddock, D. H. Introduction to Fastening Systems. Published for the Design Council, the British Standards Institution and the Council of Engineering Institutions by Oxford University Press, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.