Cita APA (7th ed.)
Wiarda, H. J. (2010). Think tanks and foreign policy: The Foreign Policy Research Institute and presidential politics. Rowman & Littlefield.
Cita Chicago (17th ed.)
Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Lanham, MD: Rowman & Littlefield, 2010.
Cita MLA (9th ed.)
Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Rowman & Littlefield, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.