APA-referens (7:e uppl.)

Collins, J. F. (1983). Automatic incident detection: Experience with TRRL algorithm HIOCC. Transport and Road Research Laboratory.

Chicago-referens (17:e uppl.)

Collins, J. F. Automatic Incident Detection: Experience with TRRL Algorithm HIOCC. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1983.

MLA-referens (9:e uppl.)

Collins, J. F. Automatic Incident Detection: Experience with TRRL Algorithm HIOCC. Transport and Road Research Laboratory, 1983.