Smith, J. E. (2004). Biotechnology (4th ed.). Cambridge University Press.
Chicago-čujuhus (17. p.)Smith, John E. Biotechnology. 4th ed. Cambridge: Cambridge University Press, 2004.
MLA-čujuhus (9. p.)Smith, John E. Biotechnology. 4th ed. Cambridge University Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.