(1974). PD No. 1789: The Omnibus Investments code. Board of Investment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPD No. 1789: The Omnibus Investments Code. [Manila: Board of Investment, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPD No. 1789: The Omnibus Investments Code. Board of Investment, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.