AASHTO & American Association of State Highway and Transportation Officials. (2014). Guide specifications for seismic isolation design (4th. edition.). AASHTO.
Cita Chicago (17th ed.)AASHTO i American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. Washington D.C., USA: AASHTO, 2014.
Cita MLA (9th ed.)AASHTO i American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. AASHTO, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.