APA-čujuhus (7. p.)
Nebel, B. (1996). Environmental science (5th.). Prentice Hall.
Chicago-čujuhus (17. p.)
Nebel, Bernard. Environmental Science. 5th. New Jersey: Prentice Hall, 1996.
MLA-čujuhus (9. p.)
Nebel, Bernard. Environmental Science. 5th. Prentice Hall, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.