Hagen, E. E. (1964). On the theory of social change: How economic growth begins. A study from the Center for International Studies Massachusetts Institute of Technology. Tavistock.
Chicago-Zitierstil (17. Ausg.)Hagen, Everett E. On the Theory of Social Change: How Economic Growth Begins. A Study from the Center for International Studies Massachusetts Institute of Technology. London: Tavistock, 1964.
MLA-Zitierstil (9. Ausg.)Hagen, Everett E. On the Theory of Social Change: How Economic Growth Begins. A Study from the Center for International Studies Massachusetts Institute of Technology. Tavistock, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.