Free, L. A. (1960). A compilation of attitudes of Philippine legislators in the spring of 1960. Institute for International Social Research].
芝加哥风格引文Free, Lloyd A. A Compilation of Attitudes of Philippine Legislators in the Spring of 1960. [Princeton, N.J: Institute for International Social Research], 1960.
MLA引文Free, Lloyd A. A Compilation of Attitudes of Philippine Legislators in the Spring of 1960. Institute for International Social Research], 1960.
警告：这些引文格式不一定是100％准确.