Wiarda, H. J. (2010). Think tanks and foreign policy: The Foreign Policy Research Institute and presidential politics. Rowman & Littlefield.
Chicago-Zitierstil (17. Ausg.)Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Lanham, MD: Rowman & Littlefield, 2010.
MLA-Zitierstil (9. Ausg.)Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Rowman & Littlefield, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.