APA-čujuhus (7. p.)

(1974). McGraw-Hill encyclopedia of environmental science. McGraw-Hill.

Chicago-čujuhus (17. p.)

McGraw-Hill Encyclopedia of Environmental Science. New York: McGraw-Hill, 1974.

MLA-čujuhus (9. p.)

McGraw-Hill Encyclopedia of Environmental Science. McGraw-Hill, 1974.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.