Dyfyniad APA

Alcantara-Ayala, I. (2010). Geomorpholpogical hazards and disaster prevention. Cambridge.

Dyfyniad Arddull Chicago

Alcantara-Ayala, Irasema. Geomorpholpogical Hazards and Disaster Prevention. Cambridge, 2010.

Dyfyniad MLA

Alcantara-Ayala, Irasema. Geomorpholpogical Hazards and Disaster Prevention. Cambridge, 2010.

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