APA aipamena

(1998). Natural disasters. Library of Congress Office ; Library of Congress Photoduplication Service.

Chicago Style aipamena

Natural Disasters. New Delhi : Washington, D.C.: Library of Congress Office ; Library of Congress Photoduplication Service, 1998.

MLA aipamena

Natural Disasters. Library of Congress Office ; Library of Congress Photoduplication Service, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.