Dyfyniad APA

James T Shipman. (1990). An introduction to physical science. Massachusetts: Health.

Dyfyniad Arddull Chicago

James T Shipman. An Introduction to Physical Science. Massachusetts: Health, 1990.

Dyfyniad MLA

James T Shipman. An Introduction to Physical Science. Massachusetts: Health, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.