Gaviola, R. G., & Ruiz, O. S. (1962). Social security in the Philippines. AE Incorporated.
芝加哥风格引文Gaviola, Ramon G., 与 Orlando S. Ruiz. Social Security in the Philippines. Makati: AE Incorporated, 1962.
MLA引文Gaviola, Ramon G., 与 Orlando S. Ruiz. Social Security in the Philippines. AE Incorporated, 1962.
警告：这些引文格式不一定是100％准确.