Perloff, H. S. (1969). The quality of the urban enviroment: Essays on new resources in a urban age. Resources for the Future.
Citazione stile Chigago Style (17a edizione)Perloff, Harvey S. The Quality of the Urban Enviroment: Essays on New Resources in a Urban Age. Washington, D.C: Resources for the Future, 1969.
Citatione MLA (9a ed.)Perloff, Harvey S. The Quality of the Urban Enviroment: Essays on New Resources in a Urban Age. Resources for the Future, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.