Caoili, O. C. (1994). Views on the parliamentary versus presidential government. Center for Integrative and Development Studies, University of the Philippines and the U.P. Press.
Lua i Stíl Chicago (17ú heag.)Caoili, Olivia C. Views on the Parliamentary Versus Presidential Government. Quezon City: Center for Integrative and Development Studies, University of the Philippines and the U.P. Press, 1994.
Lua MLA (9ú heag.)Caoili, Olivia C. Views on the Parliamentary Versus Presidential Government. Center for Integrative and Development Studies, University of the Philippines and the U.P. Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.