Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.