Easton, D. (1971). The political system: An inquiry into the state of political science. Scientific Book Agency.
Chicago-Zitierstil (17. Ausg.)Easton, David. The Political System: An Inquiry into the State of Political Science. Scientific Book Agency, 1971.
MLA-Zitierstil (9. Ausg.)Easton, David. The Political System: An Inquiry into the State of Political Science. Scientific Book Agency, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.