Dasmann, R. F. (1976). Environmental conservation (4th ed.). John Wiley & Sons.
Chicago-čujuhus (17. p.)Dasmann, Raymond F. Environmental Conservation. 4th ed. New York: John Wiley & Sons, 1976.
MLA-čujuhus (9. p.)Dasmann, Raymond F. Environmental Conservation. 4th ed. John Wiley & Sons, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.