Cita APA (7a ed.)

(1971). Manila and suburbs flood control and drainage project: General map showing overall flood control and drainage scheme. [s.n.].

Cita Chicago Style (17a ed.)

Manila and Suburbs Flood Control and Drainage Project: General Map Showing Overall Flood Control and Drainage Scheme. [Manila]: [s.n.], 1971.

Cita MLA (9a ed.)

Manila and Suburbs Flood Control and Drainage Project: General Map Showing Overall Flood Control and Drainage Scheme. [s.n.], 1971.

Precaución: Estas citas no son 100% exactas.