Dyfyniad APA

ABBOTT, P. (2020). Natural disasters. McGraw Hill Education.

Dyfyniad Arddull Chicago

ABBOTT, Patrick. Natural Disasters. McGraw Hill Education, 2020.

Dyfyniad MLA

ABBOTT, Patrick. Natural Disasters. McGraw Hill Education, 2020.

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