Erickson, D. L. (2006). MetroGreen: Connecting open space in North American cities. Washington: Island Press.
シカゴスタイル引用形Erickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.
MLA引用形式Erickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.
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