APA aipamena

Campbell, W. . H. (1997). Introduction to geomagnetic fields. Cambridge University Press.

Chicago Style aipamena

Campbell, Wallace H. Introduction to Geomagnetic Fields. UK: Cambridge University Press, 1997.

MLA aipamena

Campbell, Wallace H. Introduction to Geomagnetic Fields. Cambridge University Press, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.