Isard, W., & Harvard University. Department of Landscape Architecture. Research Office. (1972). Ecologic - economic analysis for regional development: Some initial explorations with particular reference to recreational resource use and environmental planning / regional science and landscape analysis project, Department of Landscape Architecture Research Office, Graduate School of Design, Harvard University. New York: Free press.
Παραπομπή Chicago StyleIsard, Walter., and Harvard University. Department of Landscape Architecture. Research Office. Ecologic - Economic Analysis for Regional Development: Some Initial Explorations With Particular Reference to Recreational Resource Use and Environmental Planning / Regional Science and Landscape Analysis Project, Department of Landscape Architecture Research Office, Graduate School of Design, Harvard University. New York: Free press, 1972.
Παραπομπή MLAIsard, Walter., and Harvard University. Department of Landscape Architecture. Research Office. Ecologic - Economic Analysis for Regional Development: Some Initial Explorations With Particular Reference to Recreational Resource Use and Environmental Planning / Regional Science and Landscape Analysis Project, Department of Landscape Architecture Research Office, Graduate School of Design, Harvard University. New York: Free press, 1972.