Παραπομπή APA

(1976). Social and economics effects of highways. Washington: U.S. Department of Transportation. Federal Highway Administration.

Παραπομπή Chicago Style

Social and Economics Effects of Highways. Washington: U.S. Department of Transportation. Federal Highway Administration, 1976.

Παραπομπή MLA

Social and Economics Effects of Highways. Washington: U.S. Department of Transportation. Federal Highway Administration, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.