Ward,Barbara, & Dubos,Rene. (1972). Only one earth: The care and maintenance of a small planet. W W Norton and Company.
シカゴスタイル引用形Ward,Barbara, , Dubos,Rene. Only One Earth: The Care and Maintenance of a Small Planet. New York: W W Norton and Company, 1972.
MLA引用形式Ward,Barbara, , Dubos,Rene. Only One Earth: The Care and Maintenance of a Small Planet. W W Norton and Company, 1972.
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