Philippine Institute for Development Studies. (2014). Philippine agriculture saddled by poor irrigation systems. Philippine Institute for Development Studies.
Cita Chicago (17th ed.)Philippine Institute for Development Studies. Philippine Agriculture Saddled by Poor Irrigation Systems. Makati City: Philippine Institute for Development Studies, 2014.
Cita MLA (9th ed.)Philippine Institute for Development Studies. Philippine Agriculture Saddled by Poor Irrigation Systems. Philippine Institute for Development Studies, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.