Παραπομπή APA

(1975). Standard specifications for construction of roads and bridges on federal highway projects. Washington, D.C: U.S. Department of Transportation. Federal Highway Administration.

Παραπομπή Chicago Style

Standard Specifications for Construction of Roads and Bridges On Federal Highway Projects. Washington, D.C: U.S. Department of Transportation. Federal Highway Administration, 1975.

Παραπομπή MLA

Standard Specifications for Construction of Roads and Bridges On Federal Highway Projects. Washington, D.C: U.S. Department of Transportation. Federal Highway Administration, 1975.

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