American Association of State Highway and Transportation Officials. (2010). User and non-user benefit analysis for highways. American Association of State Highway and Transportation Officials.
Chicago Style (17. basım) AtıfAmerican Association of State Highway and Transportation Officials. User and Non-user Benefit Analysis for Highways. Washington, D.C: American Association of State Highway and Transportation Officials, 2010.
MLA (9th ed.) AtıfAmerican Association of State Highway and Transportation Officials. User and Non-user Benefit Analysis for Highways. American Association of State Highway and Transportation Officials, 2010.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..