Roskin, M. G. (1982). Countries and concepts: An introduction to comparative politics. Prentice-Hall.
Chicago-čujuhus (17. p.)Roskin, Michael G. Countries and Concepts: An Introduction to Comparative Politics. Englewood Cliffs, N.J.: Prentice-Hall, 1982.
MLA-čujuhus (9. p.)Roskin, Michael G. Countries and Concepts: An Introduction to Comparative Politics. Prentice-Hall, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.