Style de citation APA (7e éd.)

Sigua, R. G. (2008). Fundamentals of traffic engineering. University of the Philippines Press.

Style de citation Chicago (17e éd.)

Sigua, Ricardo G. Fundamentals of Traffic Engineering. Quezon City: University of the Philippines Press, 2008.

Style de citation MLA (9e éd.)

Sigua, Ricardo G. Fundamentals of Traffic Engineering. University of the Philippines Press, 2008.