APA aipamena

U.S. Coast and Geodetic Survey. Seismological bulletin. U.S. Dept. of Commerce, Coast and Geodetic Survey.

Chicago Style aipamena

U.S. Coast and Geodetic Survey. Seismological Bulletin. Washington,: U.S. Dept. of Commerce, Coast and Geodetic Survey.

MLA aipamena

U.S. Coast and Geodetic Survey. Seismological Bulletin. U.S. Dept. of Commerce, Coast and Geodetic Survey.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.