Collins, J. F., Hopkins, C. M., & Martin, J. A. (1979). Automatic incident detection: TRRL algorithms HIOCC and PATREG. Transport and Road Research Laboratory.
Chicago Style aipamenaCollins, J. F., C. M. Hopkins, and J. A. Martin. Automatic Incident Detection: TRRL Algorithms HIOCC and PATREG. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1979.
MLA aipamenaCollins, J. F., et al. Automatic Incident Detection: TRRL Algorithms HIOCC and PATREG. Transport and Road Research Laboratory, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.