Asphalt Institute. (1991). Thickness design asphalt pavement for highways and streets. Asphalt Institute.
Cita Chicago (17th ed.)Asphalt Institute. Thickness Design Asphalt Pavement for Highways and Streets. Lexington: Asphalt Institute, 1991.
Cita MLA (9th ed.)Asphalt Institute. Thickness Design Asphalt Pavement for Highways and Streets. Asphalt Institute, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.