STRONG, C. F. (1966). Modern political constitutions: Introduction to the comparative study of their history and existing form (7th ed.). E.L.B.S.K. Sidgwick.
Cita Chicago (17th ed.)STRONG, C. F. Modern Political Constitutions: Introduction to the Comparative Study of Their History and Existing Form. 7th ed. London: E.L.B.S.K. Sidgwick, 1966.
Cita MLA (9th ed.)STRONG, C. F. Modern Political Constitutions: Introduction to the Comparative Study of Their History and Existing Form. 7th ed. E.L.B.S.K. Sidgwick, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.