APA aipamena

(1997). Earth science. New York: Glencoe/McGraw-Hill.

Chicago Style aipamena

Earth Science. New York: Glencoe/McGraw-Hill, 1997.

MLA aipamena

Earth Science. New York: Glencoe/McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.