Bert A. Rockman. The Obama Presidency. SAGE.
Cita Chicago (17th ed.)Bert A. Rockman. The Obama Presidency. SAGE.
Cita MLA (8th ed.)Bert A. Rockman. The Obama Presidency. SAGE.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)