Philippines. Department of Public Works, Transportation and Communications, & Planning and Project Development Office. (1974). [Summary of the National Framework Plan]. PPDO, DPWTC.
Cita Chicago (17th ed.)Philippines. Department of Public Works, Transportation and Communications, i Planning and Project Development Office. [Summary of the National Framework Plan]. [Manila: PPDO, DPWTC, 1974.
Cita MLA (9th ed.)Philippines. Department of Public Works, Transportation and Communications, i Planning and Project Development Office. [Summary of the National Framework Plan]. PPDO, DPWTC, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.