Mc Kinney m.L. (1998). Environmental science. jones and Bartlett.
Chicago-čujuhus (17. p.)Mc Kinney m.L. Environmental Science. Boston: jones and Bartlett, 1998.
MLA-čujuhus (9. p.)Mc Kinney m.L. Environmental Science. jones and Bartlett, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.