Barnes, R. M. (1949). Motion and time study problems and projects. Wiley.
Chicago Style (17th ed.) CitationBarnes, Ralph Mosser. Motion and Time Study Problems and Projects. New York: Wiley, 1949.
MLA (9th ed.) CitationBarnes, Ralph Mosser. Motion and Time Study Problems and Projects. Wiley, 1949.
Warning: These citations may not always be 100% accurate.