AASHTO & American Association of State Highway and Transportation Officials. (2014). Guide specifications for seismic isolation design (4th. edition.). AASHTO.
Chicago-referens (17:e uppl.)AASHTO och American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. Washington D.C., USA: AASHTO, 2014.
MLA-referens (9:e uppl.)AASHTO och American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. AASHTO, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.