APA (7th ed.) Zitazioa
Spoo, R. E. (2013). Without copyrights: Piracy, publishing, and the public domain. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Spoo, Robert E. Without Copyrights: Piracy, Publishing, and the Public Domain. Oxford ; New York: Oxford University Press, 2013.
MLA (9th ed.) Zitazioa
Spoo, Robert E. Without Copyrights: Piracy, Publishing, and the Public Domain. Oxford University Press, 2013.
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