Freivalds, A. (2009). Niebel’s methods, standards, and work design. Boston: McGraw-Hill Higher Education.
Trích dẫn kiểu ChicagoFreivalds, Andris. Niebel’s Methods, Standards, and Work Design. Boston: McGraw-Hill Higher Education, 2009.
Deismireacht MLAFreivalds, Andris. Niebel’s Methods, Standards, and Work Design. Boston: McGraw-Hill Higher Education, 2009.
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