Dyfyniad APA

Biggs, A. (2001). Science Voyages Physical Science. McGraw - HillCompanies, Inc.

Dyfyniad Arddull Chicago

Biggs, Alton. Science Voyages Physical Science. McGraw - HillCompanies, Inc, 2001.

Dyfyniad MLA

Biggs, Alton. Science Voyages Physical Science. McGraw - HillCompanies, Inc, 2001.

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