Richie, N. (2012). Priceless. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Richie, Nicole. Priceless. London: Harper Collins, 2012.
Lua MLA (9ú heag.)Richie, Nicole. Priceless. Harper Collins, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.