Hagen, E. E. (1962). On the theory of social change: How economic growth begins. Dorsey Press.
Chicago Style (17. basım) AtıfHagen, Everett Einar. On the Theory of Social Change: How Economic Growth Begins. Homewood, Ill: Dorsey Press, 1962.
MLA (9th ed.) AtıfHagen, Everett Einar. On the Theory of Social Change: How Economic Growth Begins. Dorsey Press, 1962.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..