Dyfyniad APA

Kramer, S. L. (1996). Geotechnical earthquake engineering. Prentice Hall.

Dyfyniad Arddull Chicago

Kramer, Steven Lawrence. Geotechnical Earthquake Engineering. Upper Saddle River, N.J: Prentice Hall, 1996.

Dyfyniad MLA

Kramer, Steven Lawrence. Geotechnical Earthquake Engineering. Prentice Hall, 1996.

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