(1971). Manila and suburbs flood control and drainage project: General map showing overall flood control and drainage scheme. [s.n.].
Cita Chicago (17th ed.)Manila and Suburbs Flood Control and Drainage Project: General Map Showing Overall Flood Control and Drainage Scheme. [Manila]: [s.n.], 1971.
Cita MLA (9th ed.)Manila and Suburbs Flood Control and Drainage Project: General Map Showing Overall Flood Control and Drainage Scheme. [s.n.], 1971.
Atenció: Aquestes cites poden no estar 100% correctes.