(1990). Preceedings Of The National Academy Of Sciences Of The United States Of America Number 3. The National Academy of Science of The U.
Dyfyniad Arddull ChicagoPreceedings Of The National Academy Of Sciences Of The United States Of America Number 3. The National Academy of Science of The U, 1990.
Dyfyniad MLAPreceedings Of The National Academy Of Sciences Of The United States Of America Number 3. The National Academy of Science of The U, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.