APA (7th ed.) Zitazioa

Gopalkrisgna. (2001). Principles of Intellectual Property. Oxford university Press,New Delhi.

Chicago Style (17th ed.) Zitazioa

Gopalkrisgna. Principles of Intellectual Property. India: Oxford university Press,New Delhi, 2001.

MLA (9th ed.) Zitazioa

Gopalkrisgna. Principles of Intellectual Property. Oxford university Press,New Delhi, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.