Chamber of Commerce of the Philippines. (1968). A commodity exchange in the Philippines. s.n.
芝加哥风格引文Chamber of Commerce of the Philippines. A Commodity Exchange in the Philippines. [Manila: s.n, 1968.
MLA引文Chamber of Commerce of the Philippines. A Commodity Exchange in the Philippines. s.n, 1968.
警告：这些引文格式不一定是100％准确.