Dyfyniad APA
Barrett, M. (2011). Intellectual property: Cases and materials (4th ed.). Thomson/West.
Dyfyniad Arddull Chicago
Barrett, Margreth. Intellectual Property: Cases and Materials. 4th ed. St. Paul, MN: Thomson/West, 2011.
Dyfyniad MLA
Barrett, Margreth. Intellectual Property: Cases and Materials. 4th ed. Thomson/West, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.