Brian Bracegirdce & W h Freeman. (1985). Atlas of empryology (3.). Heinemann educational books Ltd.
Dyfyniad Arddull ChicagoBrian Bracegirdce and W h Freeman. Atlas of Empryology. 3. Heinemann educational books Ltd, 1985.
Dyfyniad MLABrian Bracegirdce and W h Freeman. Atlas of Empryology. 3. Heinemann educational books Ltd, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.