John Stringer; Deborah Herridge. (2012). Heinemann Explore Science 2nd International Edition Reader G5 Earth Sun and Moon (Primary Explore Science International Edition) (2nd International edition.). Heinemann.
Dyfyniad Arddull ChicagoJohn Stringer; Deborah Herridge. Heinemann Explore Science 2nd International Edition Reader G5 Earth Sun and Moon (Primary Explore Science International Edition). 2nd International edition. Heinemann, 2012.
Dyfyniad MLAJohn Stringer; Deborah Herridge. Heinemann Explore Science 2nd International Edition Reader G5 Earth Sun and Moon (Primary Explore Science International Edition). 2nd International edition. Heinemann, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.