Philippines (Republic). Office of the President. Presidential Economic Staff. (1967). Negros Occidental. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines (Republic). Office of the President. Presidential Economic Staff. Negros Occidental. [Manila: s.n, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines (Republic). Office of the President. Presidential Economic Staff. Negros Occidental. s.n, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.