Sumangil, J. P. (1973). The effect of rain and shower in the feeding activity of Cotabato. A. I. D.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSumangil, Jesus P. The Effect of Rain and Shower in the Feeding Activity of Cotabato. [Washington, D.C.]: A. I. D, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSumangil, Jesus P. The Effect of Rain and Shower in the Feeding Activity of Cotabato. A. I. D, 1973.
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