(1998). Journal of chemical education software; special issue 17: = Periodic table live! Madison, WI: Univ. of Wiscosin-Madison.
Dyfyniad Arddull ChicagoJournal of Chemical Education Software; Special Issue 17: = Periodic Table Live! Madison, WI: Univ. of Wiscosin-Madison, 1998.
Dyfyniad MLAJournal of Chemical Education Software; Special Issue 17: = Periodic Table Live! Madison, WI: Univ. of Wiscosin-Madison, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.