APA (7th ed.) Citation

(1972). Traffic flow: Bicol region. [s.n.].

Chicago Style (17th ed.) Citation

Traffic Flow: Bicol Region. [Manila]: [s.n.], 1972.

MLA (9th ed.) Citation

Traffic Flow: Bicol Region. [s.n.], 1972.

Warning: These citations may not always be 100% accurate.