Cita APA

Estados Unidos. Department of Transportation, & Estados Unidos. Department of Transportation. (1981). A technical assistance directory of programs, projects and contacts (2. edition.). Washington: The Department.

Citación estilo Chicago

Estados Unidos. Department of Transportation, y Estados Unidos. Department of Transportation. A Technical Assistance Directory of Programs, Projects and Contacts. 2. edition. Washington: The Department, 1981.

Cita MLA

Estados Unidos. Department of Transportation, y Estados Unidos. Department of Transportation. A Technical Assistance Directory of Programs, Projects and Contacts. 2. edition. Washington: The Department, 1981.