Metals Industry Research & Development Center. (1973). Philippine metal casting industry. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMetals Industry Research & Development Center. Philippine Metal Casting Industry. [Manilan]: [s.n.], 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMetals Industry Research & Development Center. Philippine Metal Casting Industry. [s.n.], 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.