(2001). Glencoe science voyages: Life & physical sciences. New York, NY: Glencoe/McGraw-Hill.
Dyfyniad Arddull ChicagoGlencoe Science Voyages: Life & Physical Sciences. New York, NY: Glencoe/McGraw-Hill, 2001.
Dyfyniad MLAGlencoe Science Voyages: Life & Physical Sciences. New York, NY: Glencoe/McGraw-Hill, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.