Snustad, D. P., Simmons, M. J., & Jenkins, J. B. (1997). Principles of genetics. John Wiley & Sons.
Dyfyniad Arddull ChicagoSnustad, D. Peter, Michael J. Simmons, and John B. Jenkins. Principles of Genetics. New York: John Wiley & Sons, 1997.
Dyfyniad MLASnustad, D. Peter, et al. Principles of Genetics. John Wiley & Sons, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.