Jackson, R., & Howe, N. (2008). The graying of the great powers: Demography and geopolitics in the 21st century. Center for Strategic and Internat. Studies.
Chicago-Zitierstil (17. Ausg.)Jackson, Richard, und Neil Howe. The Graying of the Great Powers: Demography and Geopolitics in the 21st Century. Washington, DC: Center for Strategic and Internat. Studies, 2008.
MLA-Zitierstil (9. Ausg.)Jackson, Richard, und Neil Howe. The Graying of the Great Powers: Demography and Geopolitics in the 21st Century. Center for Strategic and Internat. Studies, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.