Walsh, J. J. (1900). Science in the Philippines: A Review by James J. Walsh. Washington, D.C..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalsh, James J. Science in the Philippines: A Review by James J. Walsh. Washington, D.C., 1900.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalsh, James J. Science in the Philippines: A Review by James J. Walsh. Washington, D.C., 1900.
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