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.

Symposium on the Biology and Systematics of Colonial Organisms (1976 : University of Durham), Gilbert P. Larwood, và 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.

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.