Scragg, A. (2007). Environmental biotechnology (rep.). Oxford University Press.
Chicago-čujuhus (17. p.)Scragg, A. Environmental Biotechnology. rep. Newyork: Oxford University Press, 2007.
MLA-čujuhus (9. p.)Scragg, A. Environmental Biotechnology. rep. Oxford University Press, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.