APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.