International Conference on Environmentally Sustainable Development World Bank, Serageldin, I., & Martin-Brown, J. (1998). Ethics and values: A global perspective : proceedings of an associated event of the fifth annual World Bank Conference on Environmentally and Socially Sustainable Development. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Environmentally Sustainable Development World Bank, Ismail Serageldin, και Joan Martin-Brown. Ethics and Values: A Global Perspective : Proceedings of an Associated Event of the Fifth Annual World Bank Conference on Environmentally and Socially Sustainable Development. Washington, D.C.: World Bank, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Environmentally Sustainable Development World Bank, et al. Ethics and Values: A Global Perspective : Proceedings of an Associated Event of the Fifth Annual World Bank Conference on Environmentally and Socially Sustainable Development. World Bank, 1998.