Walker, P. A., & Hurley, P. T. (2011). Planning paradise: Politics and visioning of land use in Oregon. University of Arizona Press.
Lua i Stíl Chicago (17ú heag.)Walker, Peter A., agus Patrick T. Hurley. Planning Paradise: Politics and Visioning of Land Use in Oregon. Tuscon: University of Arizona Press, 2011.
Lua MLA (9ú heag.)Walker, Peter A., agus Patrick T. Hurley. Planning Paradise: Politics and Visioning of Land Use in Oregon. University of Arizona Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.