Dyfyniad APA

AASHTO & American Association of State Highway and Transportation Officials. (2014). Guide specifications for seismic isolation design (4th. edition.). AASHTO.

Dyfyniad Arddull Chicago

AASHTO and American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. Washington D.C., USA: AASHTO, 2014.

Dyfyniad MLA

AASHTO and American Association of State Highway and Transportation Officials. Guide Specifications for Seismic Isolation Design. 4th. edition. AASHTO, 2014.

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