Philippines Department of Environment and Natural Resources & United Nations Conference on Environment and Development. (1991). A Report on Philippine environment and development: Issues and strategies. Department of Environment and Natural Resources, Environmental Management Bureau.
Citazione stile Chigago Style (17a edizione)Philippines Department of Environment and Natural Resources e United Nations Conference on Environment and Development. A Report on Philippine Environment and Development: Issues and Strategies. Quezon City: Department of Environment and Natural Resources, Environmental Management Bureau, 1991.
Citatione MLA (9a ed.)Philippines Department of Environment and Natural Resources e United Nations Conference on Environment and Development. A Report on Philippine Environment and Development: Issues and Strategies. Department of Environment and Natural Resources, Environmental Management Bureau, 1991.