Citazione Stile APA (7a Edizione)

Federal Highway Administration. (1979). User's manual: FHWA level 2 highway traffic noise prediction model, stamina 1.0. National Technical Information Service.

Citazione stile Chigago Style (17a edizione)

Federal Highway Administration. User's Manual: FHWA Level 2 Highway Traffic Noise Prediction Model, Stamina 1.0. Washington, D.C: National Technical Information Service, 1979.

Citatione MLA (9a ed.)

Federal Highway Administration. User's Manual: FHWA Level 2 Highway Traffic Noise Prediction Model, Stamina 1.0. National Technical Information Service, 1979.