(2001). Science voyages: Physical science. Glencoe/McGraw-Hill.
Dyfyniad Arddull ChicagoScience Voyages: Physical Science. Glencoe/McGraw-Hill, 2001.
Dyfyniad MLAScience Voyages: Physical Science. Glencoe/McGraw-Hill, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.