Dyfyniad APA

Roskin, M. G. 1. . . . .. (1992). Countries and concepts: An introduction to comparative politics (4th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Roskin, Michael G. 1939-. Countries and Concepts: An Introduction to Comparative Politics. 4th ed. Englewood Cliffs, N.J: Prentice Hall, 1992.

Dyfyniad MLA

Roskin, Michael G. 1939-. Countries and Concepts: An Introduction to Comparative Politics. 4th ed. Prentice Hall, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.