Bagadion, B. U., Reyes, R. P. d. l., Illo, J. F. I., Jopillo, S. M. G., Korten, D. C. 1., Korten, F. F., & Siy, R. Y. (1988). Transforming a bureaucracy: The experience of the Philippine National Irrigation Administration. Connecticut: Kumarian Press, Inc..

Bagadion, Benjamin U., Romana P. de los Reyes, Jeanne Frances I. Illo, Sylvia Ma. G. Jopillo, David C. 1937- Korten, Frances F. Korten, and Robert Y. Siy. Transforming a Bureaucracy: The Experience of the Philippine National Irrigation Administration. Connecticut: Kumarian Press, Inc., 1988.

Bagadion, Benjamin U., et al. Transforming a Bureaucracy: The Experience of the Philippine National Irrigation Administration. Connecticut: Kumarian Press, Inc., 1988.