Heywood, A. (1992). Political ideologies: An introduction. MacMillan Education.
Cita Chicago Style (17a ed.)Heywood, Andrew. Political Ideologies: An Introduction. Basingstoke [etc.]: MacMillan Education, 1992.
Cita MLA (9a ed.)Heywood, Andrew. Political Ideologies: An Introduction. MacMillan Education, 1992.
Precaución: Estas citas no son 100% exactas.