Hagen, E. E. (1962). On the theory of social change: How economic growth begins. A study from the Center for International Studies Massachusetts Institute of Technology (1. print.). Dorsey Press.
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. 1. print. Homewood,Ill: Dorsey Press, 1962.
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. 1. print. Dorsey Press, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.