APA (7th ed.) Citation

David, W. P. (2000). Constraints opportunities and options in irrigation development. Philippine Institute for Development Studies.

Chicago Style (17th ed.) Citation

David, Wilfredo P. Constraints Opportunities and Options in Irrigation Development. Makati City: Philippine Institute for Development Studies, 2000.

MLA (9th ed.) Citation

David, Wilfredo P. Constraints Opportunities and Options in Irrigation Development. Philippine Institute for Development Studies, 2000.