National Foreign Trade Convention, Chamber of Commerce of the Philippines, & National Foreign Trade Convention. (1956). Proceedings ([1st]-.). s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Foreign Trade Convention, Chamber of Commerce of the Philippines, और National Foreign Trade Convention. Proceedings. [1st]-. Manila: s.n, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Foreign Trade Convention, et al. Proceedings. [1st]-. s.n, 1956.
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