Παραπομπή APA

Erickson, D. L. (2006). MetroGreen: Connecting open space in North American cities. Washington: Island Press.

Παραπομπή Chicago Style

Erickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.

Παραπομπή MLA

Erickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.

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