Sprout, H., & Margaret, S. (1971). Toward a politics of the planet earth. Nostrand.
シカゴスタイル引用形Sprout, Harold, , Sprout Margaret. Toward a Politics of the Planet Earth. New York: Nostrand, 1971.
MLA引用形式Sprout, Harold, , Sprout Margaret. Toward a Politics of the Planet Earth. Nostrand, 1971.
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