Παραπομπή σε μορφή APA (7η εκδ.)

(1940). Regulation and operation of emergency vehicles. Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Regulation and Operation of Emergency Vehicles. Eugene: Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1940.

Παραπομπή σε μορφή MLA (8th εκδ.)

Regulation and Operation of Emergency Vehicles. Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1940.