Ahern, J. (2002). Greenways as strategic landscape planning: Theory and application.
Chicago-referens (17:e uppl.)Ahern, Jack. Greenways as Strategic Landscape Planning: Theory and Application. 2002.
MLA-referens (8:e uppl.)Ahern, Jack. Greenways as Strategic Landscape Planning: Theory and Application. 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.