James T Shipman. (1990). An introduction to physical science. Massachusetts: Health.
Dyfyniad Arddull ChicagoJames T Shipman. An Introduction to Physical Science. Massachusetts: Health, 1990.
Dyfyniad MLAJames T Shipman. An Introduction to Physical Science. Massachusetts: Health, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.