Pereira Rodrigues, R. J. (2007). The preeminence of politics: Executive orders from Eisenhower to Clinton. LFB Scholarly Pub..
Lua i Stíl Chicago (17ú heag.)Pereira Rodrigues, Ricardo José. The Preeminence of Politics: Executive Orders from Eisenhower to Clinton. New York: LFB Scholarly Pub., 2007.
Lua MLA (9ú heag.)Pereira Rodrigues, Ricardo José. The Preeminence of Politics: Executive Orders from Eisenhower to Clinton. LFB Scholarly Pub., 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.