Tubbs, D. L. (2007). Freedom's orphans: Contemporary liberalism and the fate of American children. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Tubbs, David Lewis. Freedom's Orphans: Contemporary Liberalism and the Fate of American Children. Princeton, N.J.: Princeton University Press, 2007.
Lua MLA (9ú heag.)Tubbs, David Lewis. Freedom's Orphans: Contemporary Liberalism and the Fate of American Children. Princeton University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.