Velez, F. C. Anti-flood river project pressed. Manila Bulletin.
Cita Chicago (17th ed.)Velez, Freddie C. "Anti-flood River Project Pressed." Manila Bulletin .
Cita MLA (9th ed.)Velez, Freddie C. "Anti-flood River Project Pressed." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.