Gaya APA

Environmental indicators : A Systematic approach to measuring and reporting on environmental policy performance in the context of sustainable development / edited by Hammond, Allen...[et al.]. (1995). : Washington, DC : World Resources Institute.

Gaya MLA

Environmental indicators : A Systematic approach to measuring and reporting on environmental policy performance in the context of sustainable development / edited by Hammond, Allen...[et al.]. . : Washington, DC : World Resources Institute, 1995. Text.