Philippines. Department of Public Works, Transportation & Communications. (1976). Pampanga Delta/Cantaba Swamp Area Development Project: Interim report II. DPWTC.
Cita Chicago (17th ed.)Philippines. Department of Public Works, Transportation & Communications. Pampanga Delta/Cantaba Swamp Area Development Project: Interim Report II. [Quezon City]: DPWTC, 1976.
Cita MLA (9th ed.)Philippines. Department of Public Works, Transportation & Communications. Pampanga Delta/Cantaba Swamp Area Development Project: Interim Report II. DPWTC, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.