Dyfyniad APA

Westfall, R. S. (1980). Never at reft: A biography of Isaac Newton. Cambridge: Cambridge University press.

Dyfyniad Arddull Chicago

Westfall, Richard S. Never At Reft: A Biography of Isaac Newton. Cambridge: Cambridge University press, 1980.

Dyfyniad MLA

Westfall, Richard S. Never At Reft: A Biography of Isaac Newton. Cambridge: Cambridge University press, 1980.

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