APA-viite (7. p.)
Silver, C. S., & DeFries, R. S. (1990). One earth, one future: Our changing global environment. National Academy Press.
Chicago-viite (17. p.)
Silver, Cheryl Simon, ja Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. Washington, D.C.: National Academy Press, 1990.
MLA-viite (9. p.)
Silver, Cheryl Simon, ja Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. National Academy Press, 1990.
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