Citazione Stile APA (7a Edizione)
Wiarda, H. J. (2010). Think tanks and foreign policy: The Foreign Policy Research Institute and presidential politics. Rowman & Littlefield.
Citazione stile Chigago Style (17a edizione)
Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Lanham, MD: Rowman & Littlefield, 2010.
Citatione MLA (9a ed.)
Wiarda, Howard J. Think Tanks and Foreign Policy: The Foreign Policy Research Institute and Presidential Politics. Rowman & Littlefield, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.