Martin, J. F. J. (2014). The encyclopedia of printmaking techniques. Search Press.
Lua i Stíl Chicago (17ú heag.)Martin, Judy Frances Judy. The Encyclopedia of Printmaking Techniques. Tunbridge Wells, Kent: Search Press, 2014.
Lua MLA (9ú heag.)Martin, Judy Frances Judy. The Encyclopedia of Printmaking Techniques. Search Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.