Barnes, R. M. (1968). Motion and time study: Design and measurement of work (6th ed.). John Wiley & Sons.
Chicago-stil citatBarnes, Ralph M. Motion and Time Study: Design and Measurement of Work. 6th ed. New York: John Wiley & Sons, 1968.
MLA-referensBarnes, Ralph M. Motion and Time Study: Design and Measurement of Work. 6th ed. John Wiley & Sons, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.