Symposium on Cost Versus Performance in Equipment Used in Unit Operations, London, & European Federation of Chemical Engineering. Congress. (1968). Cost versus performance in equipment used in unit operations: Proceedings of the symposium held on 21 and 22 June 1966. Institution of Chemical Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symposium on Cost Versus Performance in Equipment Used in Unit Operations, London, و European Federation of Chemical Engineering. Congress. Cost Versus Performance in Equipment Used in Unit Operations: Proceedings of the Symposium Held on 21 and 22 June 1966. London: Institution of Chemical Engineers, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Symposium on Cost Versus Performance in Equipment Used in Unit Operations, London, و European Federation of Chemical Engineering. Congress. Cost Versus Performance in Equipment Used in Unit Operations: Proceedings of the Symposium Held on 21 and 22 June 1966. Institution of Chemical Engineers, 1968.