APA (7th ed.) Zitazioa

(2010). Copyright law of the united states of america: Contained in title 17 of the united states code. United States. [electronic resource].

Chicago Style (17th ed.) Zitazioa

Copyright Law of the United States of America: Contained in Title 17 of the United States Code. United States. [electronic Resource]. 2010.

MLA (9th ed.) Zitazioa

Copyright Law of the United States of America: Contained in Title 17 of the United States Code. United States. [electronic Resource]. 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.