APA-viite (7. p.)

Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. (1976). Data bank for planning. PPDO.

Chicago-viite (17. p.)

Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. Data Bank for Planning. [Manila]: PPDO, 1976.

MLA-viite (9. p.)

Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. Data Bank for Planning. PPDO, 1976.