Silver, C. S. D. (1991). One earth , one future: Our changing global environment. Affiliated East-West Press.
シカゴスタイル引用形Silver, Cheryl Simon DeFries. One Earth , One Future: Our Changing Global Environment. New Delhi: Affiliated East-West Press, 1991.
MLA引用形式Silver, Cheryl Simon DeFries. One Earth , One Future: Our Changing Global Environment. Affiliated East-West Press, 1991.
警告: この引用は必ずしも正確ではありません.