Hammond, A., Adriaanse, A., Rodenberg, E., Bryant, D., & Woodward, R. (1995). Environmental indicators: A systematic approach to measuring and reporting on environmental policy performance in the context of sustainable development. World Resources Institute.
Cita Chicago (17th ed.)Hammond, Allen, Albert Adriaanse, Eric Rodenberg, Dirk Bryant, i Richard Woodward. Environmental Indicators: A Systematic Approach to Measuring and Reporting on Environmental Policy Performance in the Context of Sustainable Development. Washington, D.C: World Resources Institute, 1995.
Cita MLA (9th ed.)Hammond, Allen, et al. Environmental Indicators: A Systematic Approach to Measuring and Reporting on Environmental Policy Performance in the Context of Sustainable Development. World Resources Institute, 1995.