(1967). Highway design and operational practices related to highway safety. Washington, D.C: [s.n.].
Chicago Style CitationHighway Design and Operational Practices Related to Highway Safety. Washington, D.C: [s.n.], 1967.
MLA CitationHighway Design and Operational Practices Related to Highway Safety. Washington, D.C: [s.n.], 1967.
Warning: These citations may not always be 100% accurate.