Erdey, K. C. (2007). Earthquake engineering. John wiley.
Dyfyniad Arddull ChicagoErdey, K Charles. Earthquake Engineering. New Jersey: John wiley, 2007.
Dyfyniad MLAErdey, K Charles. Earthquake Engineering. John wiley, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.