Amistad, F. T. (2006). Vehicular volume: A parameter in improving unsignalized intersections. UNP Research Journal.
Chicago Style aipamenaAmistad, Franklyn T. "Vehicular Volume: A Parameter in Improving Unsignalized Intersections." UNP Research Journal 2006.
MLA aipamenaAmistad, Franklyn T. "Vehicular Volume: A Parameter in Improving Unsignalized Intersections." UNP Research Journal, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.