Sicat, G. P. (2005). A federal structure is costly and does not guarantee progress. School of Economics.
Cita Chicago (17th ed.)Sicat, Gerardo P. A Federal Structure Is Costly and Does Not Guarantee Progress. Quezon City: School of Economics, 2005.
Cita MLA (9th ed.)Sicat, Gerardo P. A Federal Structure Is Costly and Does Not Guarantee Progress. School of Economics, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.