Caoili, O. C. (1993). The Philippine Congress: Executive-legislative relations and the restoration of democracy. U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press.

Caoili, Olivia C. The Philippine Congress: Executive-legislative Relations and the Restoration of Democracy. Quezon City: U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press, 1993.

Caoili, Olivia C. The Philippine Congress: Executive-legislative Relations and the Restoration of Democracy. U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press, 1993.