Andrewartha, H. G., & Birch, L. C. (1984). The ecological web: More on the distribution and abundance of animals. University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAndrewartha, H. G., और L. Charles Birch. The Ecological Web: More on the Distribution and Abundance of Animals. Chicago: University of Chicago Press, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAndrewartha, H. G., और L. Charles Birch. The Ecological Web: More on the Distribution and Abundance of Animals. University of Chicago Press, 1984.
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