Symposium on Productivity in Research London. (1964). Productivity in research: Symposium (on Productivity in Research), Church House, Great Smith Street, London, S.W.1, 11-12 December, 1963. Institution of Chemical Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symposium on Productivity in Research London. Productivity in Research: Symposium (on Productivity in Research), Church House, Great Smith Street, London, S.W.1, 11-12 December, 1963. Lond.: Institution of Chemical Engineers, 1964.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Symposium on Productivity in Research London. Productivity in Research: Symposium (on Productivity in Research), Church House, Great Smith Street, London, S.W.1, 11-12 December, 1963. Institution of Chemical Engineers, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.