McGarry, K., & Schoeni, R. F. (1998). Social security, economic growth, and the rise in independence of elderly widows in the 20th century.
Chicago-Zitierstil (17. Ausg.)McGarry, Kathleen, und Robert F. Schoeni. Social Security, Economic Growth, and the Rise in Independence of Elderly Widows in the 20th Century. Cambridge, Mass, 1998.
MLA-Zitierstil (9. Ausg.)McGarry, Kathleen, und Robert F. Schoeni. Social Security, Economic Growth, and the Rise in Independence of Elderly Widows in the 20th Century. 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.