APA-čujuhus (7. p.)
Silver, C. S., & DeFries, R. S. (1990). One earth, one future: Our changing global environment. National Academy Press.
Chicago-čujuhus (17. p.)
Silver, Cheryl Simon, juo Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. Washington, D.C.: National Academy Press, 1990.
MLA-čujuhus (9. p.)
Silver, Cheryl Simon, juo Ruth S. DeFries. One Earth, One Future: Our Changing Global Environment. National Academy Press, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.