Dash, R. U.S. Foreign Policy, National Security doctrine, and Central America.
Cita Chicago Style (17a ed.)Dash, Robert. U.S. Foreign Policy, National Security Doctrine, and Central America.
Cita MLA (9a ed.)Dash, Robert. U.S. Foreign Policy, National Security Doctrine, and Central America.
警告：這些引文格式不一定是100％准確.