Urban Storm Drainage (Conference) University of Southampton) & Helliwell, P. R. (1979). Urban storm drainage: Proceedings of the international conference held at the University of Southampton, April, 1978. Pentech Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Urban Storm Drainage (Conference) University of Southampton) و P. R. Helliwell. Urban Storm Drainage: Proceedings of the International Conference Held at the University of Southampton, April, 1978. London: Pentech Press, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Urban Storm Drainage (Conference) University of Southampton) و P. R. Helliwell. Urban Storm Drainage: Proceedings of the International Conference Held at the University of Southampton, April, 1978. Pentech Press, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.