Clawson, M., & Knetsch, J. L. (1966). Economics of outdoor recreation. Published for Resources for the Future by Johns Hopkins Press.
Chicagoスタイル(17版)引用形式Clawson, Marion, , Jack L. Knetsch. Economics of Outdoor Recreation. Baltimore,: Published for Resources for the Future by Johns Hopkins Press, 1966.
MLA(8版)引用形式Clawson, Marion, , Jack L. Knetsch. Economics of Outdoor Recreation. Published for Resources for the Future by Johns Hopkins Press, 1966.
警告: この引用は必ずしも正確ではありません.