Philippines. Department of Tourism. (1992). The Philippines: A manifold land. Department of Tourism.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Tourism. The Philippines: A Manifold Land. Manila: Department of Tourism, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Tourism. The Philippines: A Manifold Land. Department of Tourism, 1992.
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