com Copyright Protection Not Available for Names, Titles, or Short Phrases Curtha i gcartlann 5 Aibreán 2016 ar an Wayback Machine on copyright.gov "Listings
2023-05-21. Benjamin Lee (2023-05-04). "Ed Sheeran cleared of infringing copyright in Marvin Gaye lawsuit" (en-GB). The Guardian. Dáta rochtana: 2023-05-21
easaontais níos substaintiúla faoi dhea-bheartas. P. Bernt Hugenholtz. Copyright And Freedom Of Expression In Europe (2001) Published in: Rochelle Cooper