APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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