Herzog, D. (1985). Without Foundations: Justification in Political Theory. Cornell University Press.
Lua i Stíl Chicago (17ú heag.)Herzog, Don. Without Foundations: Justification in Political Theory. Ithaca: Cornell University Press, 1985.
Lua MLA (9ú heag.)Herzog, Don. Without Foundations: Justification in Political Theory. Cornell University Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.