David, J., & David, K. The economic performance of Central Luzon (1987-1996).
Cita Chicago (17th ed.)David, Josephine, i Karen David. The Economic Performance of Central Luzon (1987-1996).
Cita MLA (9th ed.)David, Josephine, i Karen David. The Economic Performance of Central Luzon (1987-1996).
Atenció: Aquestes cites poden no estar 100% correctes.