Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. (1975). Project proposal: Refuse management system for Metro Manila. PPDO, DPWTC.
Citazione stile Chigago Style (17a edizione)Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. Project Proposal: Refuse Management System for Metro Manila. [Quezon City]: PPDO, DPWTC, 1975.
Citatione MLA (9a ed.)Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. Project Proposal: Refuse Management System for Metro Manila. PPDO, DPWTC, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.