Fein, A. (1972). Frederick Law Olmsted and the American environmental tradition. New York: George Braziller.
Παραπομπή Chicago StyleFein, Albert. Frederick Law Olmsted and the American Environmental Tradition. New York: George Braziller, 1972.
Παραπομπή MLAFein, Albert. Frederick Law Olmsted and the American Environmental Tradition. New York: George Braziller, 1972.
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