Nicholl, D. S. (2008). An Introduction to genetic engineering (3rded.). U.pr..
Cita Chicago Style (17a ed.)Nicholl, Desmond S.T. An Introduction to Genetic Engineering. 3rded. Cambridge: U.pr., 2008.
Cita MLA (9a ed.)Nicholl, Desmond S.T. An Introduction to Genetic Engineering. 3rded. U.pr., 2008.
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