APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.