Philippine Islands Bureau of public works & Beardsley, J. W. (1909). Preliminary report on irrigation in Java. Bureau of print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippine Islands Bureau of public works और James Wallace Beardsley. Preliminary Report on Irrigation in Java. Manila: Bureau of print, 1909.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippine Islands Bureau of public works और James Wallace Beardsley. Preliminary Report on Irrigation in Java. Bureau of print, 1909.
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