Barnes, R. M. 1. (1980). Motion and time study: Design and measurement of work (7th ed.). New York: John Wiley and Sons.
シカゴスタイル引用形Barnes, Ralph M. 1900-. Motion and Time Study: Design and Measurement of Work. 7th ed. New York: John Wiley and Sons, 1980.
MLA引用形式Barnes, Ralph M. 1900-. Motion and Time Study: Design and Measurement of Work. 7th ed. New York: John Wiley and Sons, 1980.
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