Dyfyniad APA

Abbott, P. L. (2012). Natural disasters (Eighth edition.). AUWSF (023194-6).

Dyfyniad Arddull Chicago

Abbott, Patrick L. Natural Disasters. Eighth edition. New York: AUWSF (023194-6), 2012.

Dyfyniad MLA

Abbott, Patrick L. Natural Disasters. Eighth edition. AUWSF (023194-6), 2012.

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