O'Donnell, P. M. (2006). Preserving Designed Cultural Landscapes: USA ; understanding and preserving the designed landscape. Topos.
Chicago-Zitierstil (17. Ausg.)O'Donnell, Patricia M. "Preserving Designed Cultural Landscapes: USA ; Understanding and Preserving the Designed Landscape." Topos 2006.
MLA-Zitierstil (8. Ausg.)O'Donnell, Patricia M. "Preserving Designed Cultural Landscapes: USA ; Understanding and Preserving the Designed Landscape." Topos, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.