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.
Cita Chicago Style (17a ed.)Philippines. Department of Environment and Natural Resources y Integrated Environmental Management for Sustainable Development Programme. Guidebooks on Sustainable Land Use Planning and Management. Quezon City: Department of Environment and Natural Resources, 1997.
Cita MLA (9a ed.)Philippines. Department of Environment and Natural Resources y Integrated Environmental Management for Sustainable Development Programme. Guidebooks on Sustainable Land Use Planning and Management. Department of Environment and Natural Resources, 1997.