APA (7th ed.) Zitazioa
Guellec, D., & Pottelsberghe de la Potterie, B. v. The Economics of the European Patent System: IP Policy for Innovation and Competition. Oxford University.
Chicago Style (17th ed.) Zitazioa
Guellec, Dominique, eta Bruno van Pottelsberghe de la Potterie. The Economics of the European Patent System: IP Policy for Innovation and Competition. Oxford, Inglaterra: Oxford University.
MLA (9th ed.) Zitazioa
Guellec, Dominique, eta Bruno van Pottelsberghe de la Potterie. The Economics of the European Patent System: IP Policy for Innovation and Competition. Oxford University.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.