Mclaughlin Charles W, & Thompson Marilyn. (1995). Physical Science. American: McGraw-Hill.
Dyfyniad Arddull ChicagoMclaughlin Charles W, và Thompson Marilyn. Physical Science. American: McGraw-Hill, 1995.
Dyfyniad MLAMclaughlin Charles W, và Thompson Marilyn. Physical Science. American: McGraw-Hill, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.