Drlica, K. (2004). Understanding DNA and gene cloning a guide for the curious (4th ed.). John Wiley & Sons.
Dyfyniad Arddull ChicagoDrlica, Karl. Understanding DNA and Gene Cloning a Guide for the Curious. 4th ed. New York: John Wiley & Sons, 2004.
Dyfyniad MLADrlica, Karl. Understanding DNA and Gene Cloning a Guide for the Curious. 4th ed. John Wiley & Sons, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.