APA aipamena

(1991). Vol. 66, № 7; Physical Review Letters. 1991.

Chicago Style aipamena

Vol. 66, № 7; Physical Review Letters. 1991, 1991.

MLA aipamena

Vol. 66, № 7; Physical Review Letters. 1991, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.