Clarke, R. O. (1974). Environmental spectrum: Social and economic views on the quality of life ; [papers presented at a public symposium sponsored by the College of Liberal Arts of Oregon State University on May 10 and 11, 1973]. Van Nostrand.
Chicago-Zitierstil (17. Ausg.)Clarke, Ronald O. Environmental Spectrum: Social and Economic Views on the Quality of Life ; [papers Presented at a Public Symposium Sponsored by the College of Liberal Arts of Oregon State University on May 10 and 11, 1973]. New York: Van Nostrand, 1974.
MLA-Zitierstil (9. Ausg.)Clarke, Ronald O. Environmental Spectrum: Social and Economic Views on the Quality of Life ; [papers Presented at a Public Symposium Sponsored by the College of Liberal Arts of Oregon State University on May 10 and 11, 1973]. Van Nostrand, 1974.