APA (7th ed.) Zitazioa

(1997). Springer CD-ROM. Catalogue 97/98 of all books, journals and electronic media.

Chicago Style (17th ed.) Zitazioa

Springer CD-ROM. Catalogue 97/98 of All Books, Journals and Electronic Media. 1997.

MLA (9th ed.) Zitazioa

Springer CD-ROM. Catalogue 97/98 of All Books, Journals and Electronic Media. 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.