Wolfson. Giving Beyond the Gift. Fordham University Press.
Lua i Stíl Chicago (17ú heag.)Wolfson. Giving Beyond the Gift. Fordham University Press.
Lua MLA (9ú heag.)Wolfson. Giving Beyond the Gift. Fordham University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.