Private Development Corporation of the Philippines. Economic and Corporate Research Office. (1973). The flour milling industry. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrivate Development Corporation of the Philippines. Economic and Corporate Research Office. The Flour Milling Industry. [Makati, Rizal: s.n.], 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPrivate Development Corporation of the Philippines. Economic and Corporate Research Office. The Flour Milling Industry. s.n.], 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.