Dyfyniad APA
Frohlich, C., & Davis, S. D. (2002). Texas earthquakes. University of Texas Press.
Dyfyniad Arddull Chicago
Frohlich, Cliff, and Scott D. Davis. Texas Earthquakes. Austin: University of Texas Press, 2002.
Dyfyniad MLA
Frohlich, Cliff, and Scott D. Davis. Texas Earthquakes. University of Texas Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.