Freedman, J. O. (1978). Crisis and legitimacy: The administrative process and American government. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Freedman, James O. Crisis and Legitimacy: The Administrative Process and American Government. Cambridge: Cambridge University Press, 1978.
Lua MLA (9ú heag.)Freedman, James O. Crisis and Legitimacy: The Administrative Process and American Government. Cambridge University Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.