Nicholl, D. S. (2008). An Introduction to genetic engineering (3rded.). U.pr..
Chicago-čujuhus (17. p.)Nicholl, Desmond S.T. An Introduction to Genetic Engineering. 3rded. Cambridge: U.pr., 2008.
MLA-čujuhus (9. p.)Nicholl, Desmond S.T. An Introduction to Genetic Engineering. 3rded. U.pr., 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.