Lopez, S. P. (1977). The Basis and framework of the Philippine foreign policy. Foreign Service Insitute, Development Academy of the Philippines.
芝加哥风格引文Lopez, Salvador P. The Basis and Framework of the Philippine Foreign Policy. [Quezon City]: Foreign Service Insitute, Development Academy of the Philippines, 1977.
MLA引文Lopez, Salvador P. The Basis and Framework of the Philippine Foreign Policy. Foreign Service Insitute, Development Academy of the Philippines, 1977.
警告：这些引文格式不一定是100％准确.