Dyfyniad APA

Glaser. The Law of Falling Bodies. University of Arkansas Press.

Dyfyniad Arddull Chicago

Glaser. The Law of Falling Bodies. University of Arkansas Press.

Dyfyniad MLA

Glaser. The Law of Falling Bodies. University of Arkansas Press.

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