Friedrich, C. J. (1968). Constitutional government and democracy: Theory and practice in Europe and America. Blaisdell Pub.
Citazione stile Chigago Style (17a edizione)Friedrich, Carl Joachim. Constitutional Government and Democracy: Theory and Practice in Europe and America. Toronto: Blaisdell Pub, 1968.
Citatione MLA (9a ed.)Friedrich, Carl Joachim. Constitutional Government and Democracy: Theory and Practice in Europe and America. Blaisdell Pub, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.