Clawson, Marion, Held, R. Burnell a Stoddard, Charles H. Land for the future. Baltimore: Published for Resources for the Future by the Johns Hopkins Press, 1960. xix, 570 s.
Citace podle APAClawson, M. (1960). Land for the future. Baltimore: Published for Resources for the Future by the Johns Hopkins Press.
Styl ChicagoClawson, Marion. Land for the Future. Baltimore: Published for Resources for the Future by the Johns Hopkins Press, 1960.
Citace podle MLAClawson, Marion. Land for the Future. Baltimore: Published for Resources for the Future by the Johns Hopkins Press, 1960.
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