APA aipamena

DON, L. Earthquake: Discoveries in seismology. Dell Publishing.

Chicago Style aipamena

DON, L. Earthquake: Discoveries in Seismology. Dell Publishing.

MLA aipamena

DON, L. Earthquake: Discoveries in Seismology. Dell Publishing.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.