Philippines. National Census and Statistics Office. (1976). 1973 annual survey of establishments. NCSO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. National Census and Statistics Office. 1973 Annual Survey of Establishments. Manila: NCSO, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. National Census and Statistics Office. 1973 Annual Survey of Establishments. NCSO, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.