Gerdt, N. (2007). Landscape Architecture in the United States: The state of the profession around the world. Topos.
Citazione stile Chigago Style (17a edizione)Gerdt, Nadine. "Landscape Architecture in the United States: The State of the Profession Around the World." Topos 2007.
Citatione MLA (8a ed.)Gerdt, Nadine. "Landscape Architecture in the United States: The State of the Profession Around the World." Topos, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.