APA aipamena

(1996). Intellectual property yearbook 1997. London: Preshfields.

Chicago Style aipamena

Intellectual Property Yearbook 1997. London: Preshfields, 1996.

MLA aipamena

Intellectual Property Yearbook 1997. London: Preshfields, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.