Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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.

Cita MLA (9th ed.)

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