Rugh, R. (1961). Laboratory manual of vertebrate embryology (5th ed.). Burgess Publishing.
Dyfyniad Arddull ChicagoRugh, Roberts. Laboratory Manual of Vertebrate Embryology. 5th ed. Minneapolis, MN: Burgess Publishing, 1961.
Dyfyniad MLARugh, Roberts. Laboratory Manual of Vertebrate Embryology. 5th ed. Burgess Publishing, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.