Dyfyniad APA

(1963). Way things work: An illustrated encyclopaedia of technology. Simon & Sehuster.

Dyfyniad Arddull Chicago

Way Things Work: An Illustrated Encyclopaedia of Technology. New York: Simon & Sehuster, 1963.

Dyfyniad MLA

Way Things Work: An Illustrated Encyclopaedia of Technology. Simon & Sehuster, 1963.

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