De Grazia, A. (1965). Republic in crisis: Congress against the Executive Force. Federal Legal Pub.
Chicago-referens (17:e uppl.)De Grazia, Alfred. Republic in Crisis: Congress Against the Executive Force. New York: Federal Legal Pub, 1965.
MLA-referens (9:e uppl.)De Grazia, Alfred. Republic in Crisis: Congress Against the Executive Force. Federal Legal Pub, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.