APA (7th ed.) Zitazioa

Souza, C. A. P. d. Copyrights protection and internet regulation.

Chicago Style (17th ed.) Zitazioa

Souza, Carlos Affonso Pereira de. Copyrights Protection and Internet Regulation.

MLA (9th ed.) Zitazioa

Souza, Carlos Affonso Pereira de. Copyrights Protection and Internet Regulation.