Cita APA

Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. PPDO geographical coding scheme. [s.n.

Citación estilo Chicago

Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. PPDO Geographical Coding Scheme. Manila: [s.n.

Cita MLA

Philippines. Department of Public Works, Transportation and Communications. Planning and Project Development Office. PPDO Geographical Coding Scheme. [s.n.

Warning: These citations may not always be 100% accurate.