Aldridge, S. (1996). thread of life: The story of genes and genetic engineering. Cambridge University Press.
Dyfyniad Arddull ChicagoAldridge, Susan. Thread of Life: The Story of Genes and Genetic Engineering. Cambridge: Cambridge University Press, 1996.
Dyfyniad MLAAldridge, Susan. Thread of Life: The Story of Genes and Genetic Engineering. Cambridge University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.