Rees-Jones, D. (2010). Carol Ann Duffy (3rd ed.). Northcote House.
Cita Chicago (17th ed.)Rees-Jones, Deryn. Carol Ann Duffy. 3rd ed. Tavistock, Devon, U.K.: Northcote House, 2010.
Cita MLA (9th ed.)Rees-Jones, Deryn. Carol Ann Duffy. 3rd ed. Northcote House, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.