APA aipamena

Levinson,Paul. (1997). The soft edge: A natural history and future of the information revolution. Routledge.

Chicago Style aipamena

Levinson,Paul. The Soft Edge: A Natural History and Future of the Information Revolution. London: Routledge, 1997.

MLA aipamena

Levinson,Paul. The Soft Edge: A Natural History and Future of the Information Revolution. Routledge, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.