Dyfyniad APA

(1957). Work simplification; creative thinking about work problems.

Dyfyniad Arddull Chicago

Work Simplification; Creative Thinking About Work Problems. 1957.

Dyfyniad MLA

Work Simplification; Creative Thinking About Work Problems. 1957.

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