(2001). Distribution of establishments in the Philippines in 1999. NSO Special Release.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Distribution of Establishments in the Philippines in 1999." NSO Special Release 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Distribution of Establishments in the Philippines in 1999." NSO Special Release, 2001.
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