Philippine Institute for Development Studies. Annual report. -- 1979-. PIDS.
Cita Chicago (17th ed.)Philippine Institute for Development Studies. Annual Report. -- 1979-. [Makati , Metero Manila]: PIDS.
Cita MLA (9th ed.)Philippine Institute for Development Studies. Annual Report. -- 1979-. PIDS.
Atenció: Aquestes cites poden no estar 100% correctes.