Erickson, D. L. (2006). MetroGreen: Connecting open space in North American cities. Washington: Island Press.
استشهاد بنمط شيكاغوErickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.
MLA استشهادErickson, Donna L. MetroGreen: Connecting Open Space in North American Cities. Washington: Island Press, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.