Philippines. National Media Production Center. (1977). Rural development. National Media Production Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. National Media Production Center. Rural Development. Manila: National Media Production Center, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. National Media Production Center. Rural Development. National Media Production Center, 1977.
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