ebrary, Inc, Waller, D. M., & Rooney, T. P. (2008). The vanishing present: Wisconsin's changing lands, waters, and wildlife. University of Chicago Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, Donald M. Waller, ба Thomas P. Rooney. The Vanishing Present: Wisconsin's Changing Lands, Waters, and Wildlife. Chicago: University of Chicago Press, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, et al. The Vanishing Present: Wisconsin's Changing Lands, Waters, and Wildlife. University of Chicago Press, 2008.
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