APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.