Gazis,D.C. (1974). Trafic science. John Wiley & Sons.
Chicago Style aipamenaGazis,D.C. Trafic Science. New York: John Wiley & Sons, 1974.
MLA aipamenaGazis,D.C. Trafic Science. John Wiley & Sons, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.