Engineering Industry Training Board. (1969). Thin plateworking II for engineering craftsmen. Engineering Industry Training Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Engineering Industry Training Board. Thin Plateworking II for Engineering Craftsmen. Watford, Eng.: Engineering Industry Training Board, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Engineering Industry Training Board. Thin Plateworking II for Engineering Craftsmen. Engineering Industry Training Board, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.