Silver, C. S., & DeFries, R. S. (1990). One earth, one future: Our changing global environment. National Academy Press.
Citace podle Chicago (17th ed.)Silver, Cheryl Simon, a Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. Washington, D.C.: National Academy Press, 1990.
Citace podle MLA (9th ed.)Silver, Cheryl Simon, a Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. National Academy Press, 1990.
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