APA

Close W., Clarke R., . (1972). Truck noise - II. Interior and exterior A-weighted sound levels of typical highway trucks. Washington DC: U.S. Department of Transportation. Office of the Secretary. Report nr 72-2.

Chicago

Close WH, Clarke RM, . 1972. Truck noise - II. Interior and exterior A-weighted sound levels of typical highway trucks. Washington DC: U.S. Department of Transportation. Office of the Secretary. Report nr 72-2.

Harvard

Close W., Clarke R., . (1972). Truck noise - II. Interior and exterior A-weighted sound levels of typical highway trucks. Washington DC: U.S. Department of Transportation. Office of the Secretary. Report nr 72-2.

MLA

Close WH, Clarke RM, . Truck noise - II. Interior and exterior A-weighted sound levels of typical highway trucks. Washington DC: U.S. Department of Transportation. Office of the Secretary. Report nr 72-2. 1972.