Brecht, A. (1959). Political theory: The foundations of twentieth-century political thought. Princeton University.
Chicago-čujuhus (17. p.)Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton: Princeton University, 1959.
MLA-čujuhus (9. p.)Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton University, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.