Roskin, M. (1989). Countries and concepts: An introduction to comparative politics (3rd ed.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1989.
Citatione MLA (9a ed.)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. 3rd ed. Prentice Hall, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.