Freivalds, A., & Niebel, B. W. (2009). Niebel's methods, standards, and work design (12th ed., international ed.). McGraw-Hill Higher Education.
Chicago Style (17th ed.) CitationFreivalds, Andres, and Benjamin W. Niebel. Niebel's Methods, Standards, and Work Design. 12th ed., international ed. Boston: McGraw-Hill Higher Education, 2009.
MLA (9th ed.) CitationFreivalds, Andres, and Benjamin W. Niebel. Niebel's Methods, Standards, and Work Design. 12th ed., international ed. McGraw-Hill Higher Education, 2009.
Warning: These citations may not always be 100% accurate.