APA引文

Andris Freivalds. (2008). Niebel's methods, standards & work design. McGraw-Hill.

Chicago Edition Citation

Andris Freivalds. Niebel's Methods, Standards & Work Design. McGraw-Hill, 2008.

MLA引文

Andris Freivalds. Niebel's Methods, Standards & Work Design. McGraw-Hill, 2008.

警告：這些引文格式不一定是100％准確.