Dyfyniad APA

Hyndman, D. W., & Hyndman, D. W. (2014). Natural hazards and disasters (Fourth edition.). Brooks/Cole, Cengage Learning.

Dyfyniad Arddull Chicago

Hyndman, Donald W., and David W. Hyndman. Natural Hazards and Disasters. Fourth edition. Australia: Brooks/Cole, Cengage Learning, 2014.

Dyfyniad MLA

Hyndman, Donald W., and David W. Hyndman. Natural Hazards and Disasters. Fourth edition. Brooks/Cole, Cengage Learning, 2014.

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