Dyfyniad APA

Dowrick, D. (2009). Earthquake resistant design and risk reduction second edition. John Wiley & Sons.

Dyfyniad Arddull Chicago

Dowrick, David. Earthquake Resistant Design and Risk Reduction Second Edition. John Wiley & Sons, 2009.

Dyfyniad MLA

Dowrick, David. Earthquake Resistant Design and Risk Reduction Second Edition. John Wiley & Sons, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.