Lewin & Benjamin. (2008). Genes IX (9th ed.). Jones and Bartlett Publishers.
Dyfyniad Arddull ChicagoLewin and Benjamin. Genes IX. 9th ed. Sudbury, MA: Jones and Bartlett Publishers, 2008.
Dyfyniad MLALewin and Benjamin. Genes IX. 9th ed. Jones and Bartlett Publishers, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.