Anderson, S. D., & Blaschke, B. C. (2004). Statewide highway letting program management: Stuart D. Anderson and Byron C. Blaschke. Transportation Research Board.
Cita Chicago (17th ed.)Anderson, S. D., i Byron C. Blaschke. Statewide Highway Letting Program Management: Stuart D. Anderson and Byron C. Blaschke. Washington, D.C: Transportation Research Board, 2004.
Cita MLA (9th ed.)Anderson, S. D., i Byron C. Blaschke. Statewide Highway Letting Program Management: Stuart D. Anderson and Byron C. Blaschke. Transportation Research Board, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.