Philippines. Department of Environment and Natural Resources & Integrated Environmental Management for Sustainable Development Programme. (1997). Guidebooks on sustainable land use planning and management. Department of Environment and Natural Resources.
Citazione stile Chigago Style (17a edizione)Philippines. Department of Environment and Natural Resources e Integrated Environmental Management for Sustainable Development Programme. Guidebooks on Sustainable Land Use Planning and Management. Quezon City: Department of Environment and Natural Resources, 1997.
Citatione MLA (9a ed.)Philippines. Department of Environment and Natural Resources e Integrated Environmental Management for Sustainable Development Programme. Guidebooks on Sustainable Land Use Planning and Management. Department of Environment and Natural Resources, 1997.