Lipson, L. (1981). The great issues of politics: An introduction to political science (6th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Lipson, Leslie. The Great Issues of Politics: An Introduction to Political Science. 6th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1981.
Cita MLA (8th ed.)Lipson, Leslie. The Great Issues of Politics: An Introduction to Political Science. 6th ed. Prentice-Hall, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.