Poundstone, W. (2010). Priceless (NA.). Hill and Wang.
Lua i Stíl Chicago (17ú heag.)Poundstone, William. Priceless. NA. New York: Hill and Wang, 2010.
Lua MLA (9ú heag.)Poundstone, William. Priceless. NA. Hill and Wang, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.