APA aipamena

Abbott, P. L. (2004). Natural disasters (Forth edition.). McGraw-Hill Higer Education.

Chicago Style aipamena

Abbott, Patrick L. Natural Disasters. Forth edition. Boston: McGraw-Hill Higer Education, 2004.

MLA aipamena

Abbott, Patrick L. Natural Disasters. Forth edition. McGraw-Hill Higer Education, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.