Welsh, W. A. (1979). Leaders and elites. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Welsh, William A. Leaders and Elites. New York: Holt, Rinehart and Winston, 1979.
Cita MLA (9a ed.)Welsh, William A. Leaders and Elites. Holt, Rinehart and Winston, 1979.
Precaución: Estas citas no son 100% exactas.