DeVOS, T. (1975). Introduction to politics. Winthrop.
Cita Chicago (17th ed.)DeVOS, Ton. Introduction to Politics. Cambridge: Winthrop, 1975.
Cita MLA (9th ed.)DeVOS, Ton. Introduction to Politics. Winthrop, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.