Barnes, R. M. (1958). Motion and time study applications (4th ed.). J. Wiley & Sons.
Cita Chicago Style (17a ed.)Barnes, Ralph M. Motion and Time Study Applications. 4th ed. New York: J. Wiley & Sons, 1958.
Cita MLA (8a ed.)Barnes, Ralph M. Motion and Time Study Applications. 4th ed. J. Wiley & Sons, 1958.
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