Perloff, H. S. (1969). The quality of the urban enviroment: Essays on new resources in a urban age. Resources for the Future.
Citace podle Chicago (17th ed.)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.
Citace podle MLA (9th ed.)Perloff, Harvey S. The Quality of the Urban Enviroment: Essays on New Resources in a Urban Age. Resources for the Future, 1969.
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