Roskin, M. (1992). Countries and concepts: An introduction to comparative politics (Fourth edition.). Prentice-Hall.
Citace podle Chicago (17th ed.)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. Fourth edition. Englewood Cliffs, New Jersey: Prentice-Hall, 1992.
Citace podle MLA (9th ed.)Roskin, Michael. Countries and Concepts: An Introduction to Comparative Politics. Fourth edition. Prentice-Hall, 1992.
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