Symposium on the Biology and Systematics of Colonial Organisms (1976 : University of Durham), Larwood, G. P., & Rosen, B. R. (1979). Biology and systematics of colonial organisms: Proceedings of an international symposium held at the University of Durham. Published for the Systematics Association by Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symposium on the Biology and Systematics of Colonial Organisms (1976 : University of Durham), Gilbert P. Larwood, و Brian R. Rosen. Biology and Systematics of Colonial Organisms: Proceedings of an International Symposium Held at the University of Durham. London New York: Published for the Systematics Association by Academic Press, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Symposium on the Biology and Systematics of Colonial Organisms (1976 : University of Durham), et al. Biology and Systematics of Colonial Organisms: Proceedings of an International Symposium Held at the University of Durham. Published for the Systematics Association by Academic Press, 1979.