Philippines Department of Public Works and Communications, Philippines Presidential Advisory Council on Public Works and Community Development, Physical Planning Strategy for the Philippines, & University of the Philippines (Diliman) Institute of Planning. (1971). Study on regional delineation of the Philippines. s.n.].
Chicago-viite (17. p.)Philippines Department of Public Works and Communications, Philippines Presidential Advisory Council on Public Works and Community Development, Physical Planning Strategy for the Philippines, ja University of the Philippines (Diliman) Institute of Planning. Study on Regional Delineation of the Philippines. [Manila: s.n.], 1971.
MLA-viite (9. p.)Philippines Department of Public Works and Communications, et al. Study on Regional Delineation of the Philippines. s.n.], 1971.