Cita APA (7th ed.)

(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.