Philippines. Department of Tourism. (2009). 2009 household survey on domestic visitors: Final report. National Statistics Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Tourism. 2009 Household Survey on Domestic Visitors: Final Report. Manila: National Statistics Office, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Tourism. 2009 Household Survey on Domestic Visitors: Final Report. National Statistics Office, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.