(1970). Directory of members of the Philippine Chamber of Industries 1970. Philippine Chamber of Industries].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDirectory of Members of the Philippine Chamber of Industries 1970. [Manila: Philippine Chamber of Industries], 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDirectory of Members of the Philippine Chamber of Industries 1970. Philippine Chamber of Industries], 1970.
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