Dyfyniad APA

Freivalds, A. (2014). Niebel's methods, standards, and work design 13th ed / Andris Freivalds dan Benjamin W. Niebel. Mc Graw-Hill.

Dyfyniad Arddull Chicago

Freivalds, Andris. Niebel's Methods, Standards, and Work Design 13th Ed / Andris Freivalds Dan Benjamin W. Niebel. Mc Graw-Hill, 2014.

Dyfyniad MLA

Freivalds, Andris. Niebel's Methods, Standards, and Work Design 13th Ed / Andris Freivalds Dan Benjamin W. Niebel. Mc Graw-Hill, 2014.

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