Roskin, M. (1997). Countries and concepts: An introduction to comparative politics (6th ed.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. 6th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Citatione MLA (9a ed.)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. 6th ed. Prentice Hall, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.