Freivalds,Andris, & Niebel,Benjamin W. (2009). Niebel' s methods,standards,and work design (12th ed.). Boston: The Mc Graw Hill.
Chicago Style CitationFreivalds,Andris, and Niebel,Benjamin W. Niebel' S Methods,standards,and Work Design. 12th ed. Boston: The Mc Graw Hill, 2009.
MLA CitationFreivalds,Andris, and Niebel,Benjamin W. Niebel' S Methods,standards,and Work Design. 12th ed. Boston: The Mc Graw Hill, 2009.
Warning: These citations may not always be 100% accurate.