Cita APA (7th ed.)

Roskin, M. (2001). Countries and concepts: Politics, geography, culture (7th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Roskin, Michael. Countries and Concepts: Politics, Geography, Culture. 7th ed. Upper Saddle River, NJ: Prentice Hall, 2001.

Cita MLA (9th ed.)

Roskin, Michael. Countries and Concepts: Politics, Geography, Culture. 7th ed. Prentice Hall, 2001.