Hettige, H. (1995). IPPS: The industrial pollution projection system. Environment, Infrastructure, and Agricultural Division, Policy Research Department, The World Bank.
Citação do estilo Chicago (17ª ed.)Hettige, Hemamala. IPPS: The Industrial Pollution Projection System. Washington, D.C: Environment, Infrastructure, and Agricultural Division, Policy Research Department, The World Bank, 1995.
Citação MLA (9ª ed.)Hettige, Hemamala. IPPS: The Industrial Pollution Projection System. Environment, Infrastructure, and Agricultural Division, Policy Research Department, The World Bank, 1995.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.